A flavorful Mediterranean-inspired breakfast packed with protein, colorful vegetables, and creamy feta cheese, this High Protein Crustless Quiche delivers all the satisfaction of classic quiche without the extra crust. Made with eggs, spinach, peppers, tomatoes, olives, and herbs, it is an easy meal-prep option perfect for breakfast, brunch, lunch, or a light dinner.
Recipe Card
High Protein Mediterranean Crustless Quiche
A rich and satisfying crustless quiche loaded with protein-rich eggs, creamy feta cheese, fresh vegetables, and Mediterranean flavors. Perfect for meal prep and busy mornings.
Prep Time: 20 minutes
Cook Time: 45–50 minutes
Total Time: 1 hour 10 minutes
Servings: 6
Serving Size: 1 slice
Dietary Information:
- High Protein
- Low Carb
- Gluten-Free
- Crustless
- Mediterranean-Inspired
- Vegetarian
Ingredients
For the Quiche
- 10 large cage-free eggs
- 1½ cups heavy cream
- 2 tablespoons Italian seasoning, divided
- 1 cup red bell pepper, diced
- 1 cup baby spinach, chopped
- 1¼ cups feta cheese, crumbled
Mediterranean Tomato Olive Topping
- 1 cup cherry tomatoes, diced
- ½ cup olives, chopped
- 3 tablespoons extra virgin olive oil
- Remaining 1 tablespoon Italian seasoning
Instructions
- Preheat oven to 375°F.
- In a large mixing bowl, whisk together eggs, heavy cream, 1 tablespoon Italian seasoning, diced red bell pepper, chopped spinach, and feta cheese.
- Pour the egg mixture into a greased deep-dish pie pan.
- Bake for 45–50 minutes, or until the center is set and the top is lightly golden.
- While the quiche bakes, prepare the Mediterranean topping by combining cherry tomatoes, olives, olive oil, and remaining Italian seasoning in a bowl.
- Let the tomato mixture marinate for 20 minutes to allow the flavors to blend.
- Remove the quiche from the oven and allow it to rest for 5–10 minutes.
- Slice and serve topped with the marinated tomato and olive mixture.
Quick Recipe Notes
- Let the quiche rest before slicing for cleaner pieces.
- Use room-temperature eggs for a smoother texture.
- Drain excess liquid from spinach if using frozen spinach.
- Full-fat feta provides the best creamy Mediterranean flavor.
- Add extra vegetables or lean protein options for more variety.
A Protein-Packed Mediterranean Breakfast You’ll Love
Traditional quiche is delicious, but the crust can add extra carbohydrates while making the recipe heavier. This High Protein Crustless Quiche focuses on the best parts of quiche: creamy eggs, savory cheese, flavorful vegetables, and satisfying protein.
Inspired by Mediterranean cuisine, this recipe combines fresh vegetables, herbs, feta cheese, and olive oil to create a meal that feels both comforting and nourishing.
It is especially useful for busy mornings because one batch creates several servings. You can prepare it ahead, store slices in the refrigerator, and enjoy a protein-rich meal throughout the week.
The combination of eggs and feta creates a rich texture, while spinach, peppers, tomatoes, and olives add freshness and color. It is proof that a healthy meal can still feel indulgent and full of flavor.
Step-by-Step Cooking Guide
Step 1: Prepare the Oven and Baking Dish
Start by preheating your oven to 375°F.
Grease a deep-dish pie pan or baking dish lightly with olive oil or cooking spray.
A deep dish works best because the egg mixture needs room to rise as it bakes.
Tip: If your pan is shallow, place it on a baking sheet before baking to prevent any overflow.
Step 2: Prepare the Egg Mixture
Crack the eggs into a large bowl and whisk until the yolks and whites are fully combined.
Add the heavy cream and whisk again until smooth.
The cream creates a softer, richer texture while helping prevent the eggs from becoming dry.
Add:
- 1 tablespoon Italian seasoning
- Diced red bell pepper
- Chopped spinach
- Crumbled feta cheese
Stir everything together until the vegetables and cheese are evenly distributed.
Secret #1: Whisk thoroughly for a fluffy texture.
The more evenly the eggs and cream combine, the smoother and more tender your quiche will be.
Step 3: Add Mediterranean Flavors
The vegetables in this recipe do more than add color. They create layers of flavor that make every bite interesting.
Red Bell Pepper
Red peppers add natural sweetness and a slight crunch.
They balance the salty feta and olives beautifully.
Spinach
Spinach adds nutrients, color, and a mild earthy flavor.
Fresh spinach works best, but frozen spinach can also be used if properly drained.
Feta Cheese
Feta is the ingredient that gives this quiche its Mediterranean personality.
Its salty, creamy texture pairs perfectly with eggs and vegetables.
Secret #2: Use good-quality feta.
A high-quality feta melts slightly into the eggs while adding small pockets of creamy, tangy flavor.
Step 4: Bake the Quiche
Pour the mixture into your prepared baking dish.
Place it in the oven and bake for 45–50 minutes.
The quiche is ready when:
- The center no longer jiggles significantly.
- The edges are lightly golden.
- A knife inserted near the center comes out mostly clean.
Avoid overbaking because eggs can become rubbery when cooked too long.
Tip: The quiche will continue setting slightly as it rests after baking.
Step 5: Prepare the Mediterranean Topping
While the quiche cooks, prepare the fresh topping.
Combine:
- Cherry tomatoes
- Chopped olives
- Olive oil
- Remaining Italian seasoning
Allow the mixture to sit for about 20 minutes.
This quick marinade allows the tomatoes to absorb the herbs and olive oil.
Secret #3: Let the topping rest before serving.
The short marinating time creates a brighter, more flavorful topping compared with adding the ingredients immediately.
Step 6: Rest and Serve
Remove the quiche from the oven and let it rest for 5–10 minutes.
Slice into six portions and top each serving with the tomato olive mixture.
The fresh topping adds contrast to the warm, creamy quiche and makes the dish feel restaurant-quality.
Step 7: Enjoy or Meal Prep
Serve immediately, or portion the slices into containers for easy grab-and-go meals.
This recipe is ideal for:
- High-protein breakfasts
- Work lunches
- Weekend brunch
- Healthy meal preparation
- Light dinners
Ingredient Details and Substitution Tips
The best part about this High Protein Crustless Quiche is that every ingredient has a purpose. The eggs provide the protein-rich base, the vegetables add freshness and nutrients, and the Mediterranean-inspired ingredients create bold flavor without needing complicated sauces or extra seasoning.
Understanding each ingredient also makes it easier to customize the recipe based on your preferences and dietary goals.
Eggs
Eggs are the foundation of this crustless quiche and provide high-quality protein along with a rich, satisfying texture.
Using 10 eggs creates a firm but tender quiche that holds together well after slicing.
Quality Tip: Use fresh eggs whenever possible. Room-temperature eggs blend more smoothly with cream and create a more even texture.
Substitution Options:
- Replace some whole eggs with egg whites for a lighter version.
- Use liquid egg substitute if preferred.
- For extra protein, add additional egg whites without changing the flavor significantly.
Heavy Cream
Heavy cream gives the quiche a silky texture and prevents the eggs from becoming dry.
It creates the creamy consistency people expect from traditional quiche.
Substitution Options:
- Use half-and-half for a lighter option.
- Use unsweetened evaporated milk for a creamy lower-fat alternative.
- Use cottage cheese blended until smooth for an extra protein boost.
Feta Cheese
Feta is one of the key ingredients that creates the Mediterranean flavor profile.
Its salty, tangy taste balances the mild eggs and vegetables while adding extra protein.
Quality Tip: Choose a block of feta stored in brine when possible. It usually has a creamier texture and better flavor than pre-crumbled varieties.
Substitution Options:
- Goat cheese for a creamier, tangier variation.
- Reduced-fat feta for fewer calories.
- Parmesan for a sharper, savory flavor.
Red Bell Pepper
Red bell peppers add sweetness, color, and a slight crunch.
They also pair beautifully with salty ingredients like feta and olives.
Substitution Options:
- Yellow or orange bell peppers
- Roasted red peppers
- Mushrooms
- Zucchini
Spinach
Spinach adds nutrients and freshness while blending easily into the egg mixture.
Fresh spinach is ideal, but frozen spinach can work well.
Important Tip: If using frozen spinach, squeeze out as much water as possible before adding it. Excess moisture can make the quiche watery.
Substitution Options:
- Kale
- Swiss chard
- Arugula
- Broccoli
Cherry Tomatoes
The marinated tomato topping adds brightness and freshness.
The acidity from tomatoes balances the richness of the eggs, cream, and cheese.
Substitution Options:
- Sun-dried tomatoes for a stronger Mediterranean flavor
- Roasted tomatoes
- Grape tomatoes
Olives
Olives add a salty, savory flavor that makes this quiche taste more like a Mediterranean dish.
Kalamata olives are especially delicious because of their rich flavor.
Substitution Options:
- Green olives
- Capers
- Artichoke hearts
Extra Virgin Olive Oil
Olive oil helps create the flavorful tomato topping and adds classic Mediterranean richness.
Choose a good-quality extra virgin olive oil because the flavor is noticeable.
Substitution Options:
- Avocado oil
- Light olive oil
How to Make This Quiche Even Higher in Protein
This recipe already provides a satisfying amount of protein from eggs and feta, but there are several ways to increase it further without sacrificing taste.
Add Cottage Cheese
Blend ½–1 cup cottage cheese until smooth and mix it into the egg mixture.
It creates an incredibly creamy texture while adding additional protein.
Add Egg Whites
Replace 2–4 whole eggs with egg whites.
This increases protein while slightly lowering fat.
Add Lean Protein
For a heartier version, add:
- 1 cup cooked chicken breast, diced
- 1 cup turkey sausage, cooked and crumbled
- ¾ cup smoked salmon
- 1 cup shrimp, chopped
These additions work especially well with the Mediterranean flavors.
Increase Feta Carefully
Adding more feta increases protein slightly, but remember that feta is also salty and calorie-dense.
A small amount goes a long way for flavor.
Equipment Alternatives
You don’t need special equipment to make this recipe successfully.
No Deep-Dish Pie Pan?
Use:
- A 9-inch cake pan
- A casserole dish
- A glass baking dish
Cooking time may vary depending on the depth of the dish.
No Whisk?
Use a fork to combine the eggs and cream.
Make sure everything is fully blended before adding vegetables.
Meal Prep Containers
For easy breakfasts, slice the cooled quiche and store individual portions in airtight containers.
This makes weekday mornings much easier.
Recipe Variations
This Mediterranean crustless quiche is a flexible recipe that can be changed based on your favorite flavors.
Chicken Mediterranean Quiche
Add 1 cup cooked diced chicken breast.
The chicken increases protein and turns the quiche into a complete meal.
Season with extra Italian herbs and add a few chopped roasted red peppers.
Greek-Inspired Quiche
Replace Italian seasoning with oregano and add:
- Extra cucumber on the side
- More feta
- Fresh dill
This creates a flavor profile inspired by Greek cuisine.
Spinach and Mushroom Protein Quiche
Add 1 cup sautéed mushrooms.
Mushrooms add a savory flavor and pair beautifully with spinach and feta.
Smoked Salmon Mediterranean Quiche
Add ¾ cup chopped smoked salmon.
The smoky flavor works perfectly with eggs, herbs, and creamy feta.
Spicy Mediterranean Quiche
Add:
- ¼ teaspoon red pepper flakes
- Chopped banana peppers
- A sprinkle of chili flakes
This gives the quiche a little extra heat.
Serving Suggestions
This High Protein Crustless Quiche works for almost any meal of the day.
Breakfast Serving Ideas
Serve with:
- Fresh berries
- Greek yogurt
- Fresh fruit salad
- Whole-grain toast
Lunch Serving Ideas
Pair it with:
- A simple green salad
- Cucumber tomato salad
- Roasted vegetables
- Soup
Dinner Serving Ideas
Create a Mediterranean-style dinner by serving it with:
- Warm pita bread
- Hummus
- Tzatziki sauce
- Grilled vegetables
Brunch Presentation Tips
For a beautiful brunch table:
- Add fresh herbs on top before serving.
- Arrange extra cherry tomatoes around the platter.
- Sprinkle a small amount of feta over the slices.
- Serve warm or at room temperature.
Caption Tip:
“Fresh herbs and a colorful topping can turn a simple homemade quiche into a restaurant-style brunch centerpiece.”
Meal Prep and Make-Ahead Tips
One of the biggest advantages of this recipe is how well it fits into a busy schedule.
Make Ahead
You can prepare this quiche up to 2 days before serving.
Bake as directed, cool completely, cover, and refrigerate.
When ready to eat, simply reheat individual slices.
Breakfast Meal Prep
Slice the quiche into six portions and store separately.
Each serving becomes an easy high-protein breakfast that requires almost no morning preparation.
Freezing Instructions
This quiche freezes well.
To freeze:
- Allow the baked quiche to cool completely.
- Slice into individual portions.
- Wrap each slice tightly.
- Store in freezer-safe containers.
Freeze for up to 3 months.
Thawing Instructions
Place frozen slices in the refrigerator overnight.
This helps maintain the best texture.
Storage and Reheating
Refrigerator Storage
Store leftover quiche in an airtight container for up to 4 days.
Keep the tomato olive topping separate if possible for the freshest texture.
Reheating Instructions
For best results:
- Oven: Heat at 325°F for 10–15 minutes.
- Microwave: Heat individual slices in 30-second intervals until warmed through.
Avoid overheating because eggs can become tough.
Quality Note
The flavor often improves the next day because the herbs and vegetables have more time to blend.
The texture may become slightly firmer after refrigeration, but it remains delicious and satisfying
Nutrition Facts
Estimated Nutrition Per Serving (1 slice, based on 6 servings):
- Calories: 430–460 kcal
- Protein: 24–28g
- Carbohydrates: 8–10g
- Fat: 34–37g
- Fiber: 2g
- Sugar: 3–4g
- Sodium: 650–750mg (varies depending on feta and olives)
Nutrition values are estimates and may vary depending on ingredient brands and substitutions.
Dietary Highlights
This High Protein Crustless Quiche is a nutrient-dense meal that offers:
- High protein content to help keep you satisfied
- Low carbohydrate option because it skips the traditional crust
- Healthy fats from extra virgin olive oil and eggs
- Calcium from feta cheese
- Vegetables for added fiber and nutrients
Dietary Tags:
- High Protein
- Low Carb
- Gluten-Free
- Crustless
- Vegetarian
- Mediterranean-Inspired
Allergens:
- Contains eggs
- Contains dairy (heavy cream and feta cheese)
Frequently Asked Questions
How much protein is in this crustless quiche?
Each serving contains approximately 24–28 grams of protein, depending on the exact ingredients used.
The protein comes mainly from eggs and feta cheese. To increase the protein even further, add egg whites, cottage cheese, chicken, turkey sausage, or smoked salmon.
Why is my quiche watery?
A watery quiche usually happens because vegetables release excess moisture during baking.
Common causes include:
- Using frozen spinach without squeezing out the water
- Adding too many watery vegetables
- Not allowing the quiche to rest after baking
Fix: Always drain wet ingredients well and let the quiche rest for 5–10 minutes before slicing.
Can I use egg whites instead of whole eggs?
Yes. Egg whites can replace some of the whole eggs to increase protein and reduce fat.
A good option is replacing 4 whole eggs with about ¾ cup egg whites.
The texture will be slightly lighter but still delicious.
Can I make this high protein crustless quiche dairy-free?
Yes, but the texture will change slightly.
Try these swaps:
- Replace heavy cream with unsweetened dairy-free cooking cream.
- Replace feta with dairy-free feta alternative.
- Add extra vegetables or lean protein for more flavor.
Can I add meat to this recipe?
Absolutely.
Great protein additions include:
- Chicken breast
- Turkey sausage
- Smoked salmon
- Shrimp
- Lean ham
Cook meat before adding it to the egg mixture.
Can I use frozen spinach?
Yes.
Frozen spinach is convenient and works well, but it must be thawed and squeezed very dry before using.
Extra water can prevent the quiche from setting properly.
Can I make this quiche without heavy cream?
Yes.
For a lighter version, use:
- Half-and-half
- Milk plus cottage cheese
- Greek yogurt blended with milk
Keep in mind that heavy cream creates the richest texture.
How do I know when the quiche is fully cooked?
The quiche is ready when:
- The edges are lightly golden.
- The center is mostly set.
- A knife inserted near the center comes out clean.
A slight jiggle is okay because it continues cooking while resting.
Can I prepare this recipe the night before?
Yes.
This recipe is excellent for meal prep.
Bake it ahead, refrigerate overnight, and reheat slices when needed.
It is especially convenient for busy mornings when you need a quick protein-rich breakfast.
Can I freeze crustless quiche?
Yes.
Freeze individual slices wrapped tightly for up to 3 months.
Thaw overnight in the refrigerator and reheat gently for the best texture.
Troubleshooting Tips
The quiche is too dry.
This usually means it was baked too long.
Next time:
- Check it a few minutes earlier.
- Avoid using too many lean ingredients without enough moisture.
- Let it rest before slicing.
The center is not setting.
If the middle is still very liquid:
- Continue baking in 5-minute increments.
- Make sure your oven temperature is accurate.
- Avoid adding extra wet vegetables.
The flavor tastes bland.
Mediterranean recipes depend on bold seasoning.
Try adding:
- Extra Italian seasoning
- Fresh basil
- Oregano
- Garlic powder
- Black pepper
- A sprinkle of red pepper flakes
The slices fall apart.
Letting the quiche rest before cutting helps it firm up.
For meal prep, chilled slices usually hold together even better.
Recipe Development Story
The idea behind this High Protein Crustless Quiche came from creating a breakfast that could do more than simply fill you up for a short time.
Many breakfast recipes are either too light or rely heavily on bread and pastries. I wanted something satisfying, flavorful, and packed with protein while still feeling like a comforting homemade meal.
The Mediterranean flavor combination naturally became the perfect match. Eggs created the protein-rich base, feta added creaminess and saltiness, and vegetables brought freshness and color.
During testing, one of the biggest lessons was that simple ingredients create the best results when they are balanced correctly. The creamy egg mixture needed bold flavors from herbs, olives, and feta to prevent it from tasting ordinary.
The marinated tomato topping became the finishing touch. Instead of mixing everything into the eggs, keeping the tomatoes and olives fresh on top created a contrast between the warm, creamy quiche and the bright Mediterranean flavors.
This recipe quickly became a favorite because it works for so many occasions. It is easy enough for weekday breakfasts but impressive enough for weekend brunch.
Chef-Style Secrets for the Best Results
Secret #1: Don’t skip the resting time.
Allowing the quiche to rest after baking helps the texture become firm and slice beautifully.
Secret #2: Season every layer.
Adding herbs to both the egg mixture and topping creates deeper flavor than seasoning only once.
Secret #3: Use vegetables strategically.
Vegetables add flavor, but too much moisture can affect the texture. Always drain watery ingredients.
Secret #4: Add the topping fresh.
The tomato olive mixture provides contrast and keeps the dish from feeling too heavy.
Secret #5: Use room-temperature ingredients.
Eggs and cream blend better when they are not ice cold.
Caption-Style Recipe Tips
Tip: Meal prep made easy.
Bake once, slice into portions, and enjoy a protein-packed breakfast all week.
Tip: Want even more protein?
Blend cottage cheese into the egg mixture for a creamy texture and extra protein.
Tip: Make every bite flavorful.
Use good-quality feta and fresh herbs because small ingredients create big flavor.
Tip: Don’t rush the bake.
A slow, even bake creates a tender quiche instead of a rubbery texture.
Tip: Customize it.
Add chicken, salmon, mushrooms, or extra vegetables to make it your own.
Tip: Serve it beautifully.
A sprinkle of herbs and a few fresh tomatoes make this simple recipe look like a brunch centerpiece.
Final Thoughts
A healthy meal does not have to be boring, and this High Protein Crustless Quiche is the perfect example.
With protein-rich eggs, creamy feta, colorful vegetables, and Mediterranean flavors, this recipe delivers a satisfying meal that works for breakfast, lunch, or dinner.
Whether you are preparing meals for a busy week, looking for a high-protein breakfast, or hosting brunch, this crustless quiche offers convenience without sacrificing taste.
If you try this recipe, share your favorite variation. Add your own vegetables, protein options, or Mediterranean flavors and let others know how you made it your own.
Save this recipe for your next meal-prep day and enjoy a flavorful, protein-packed dish whenever you need an easy homemade meal.
