Cheesy Sausage Breakfast Casserole A hearty, protein-packed morning bake loaded with savory flavor.

Servings: 8
Total Time: 45 minutes
Difficulty: Easy
Calories: ~260 per serving
Macros (Approx.):

• Protein: 24g
• Carbs: 4g (net)
• Fat: 17g
• Fiber: 1g

Intro

If your mornings feel rushed but you still crave a warm, hearty breakfast that keeps you full for hours, this Keto Low-Carb Cheesy Sausage Breakfast Casserole is the kind of recipe you’ll want on repeat. It’s comforting, cheesy, high in protein, and loaded with savory flavors that taste like a weekend brunch — even on your busiest weekday.

This simple, oven-baked casserole has everything keto and low-carb eaters love: juicy sausage, fluffy eggs, melty cheese, and fiber-rich veggies. It’s the perfect balance of comfort and nutrition without the bread or carbs you’d normally get in a traditional breakfast bake.

Whether you’re eating for weight loss, muscle-building, or simply craving a clean, macro-friendly meal, this casserole delivers on its promise: big flavor, minimal effort, and meal-prep magic.

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4. Look at the Recipe

• Golden, cheesy top with a soft, fluffy egg base
• Savory sausage flavor with a subtle veggie freshness
• Low-carb fuel that keeps you energized all morning

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5. Ingredients Needed

Main Ingredients

• 1 lb chicken sausage or turkey sausage (low-carb, no sugar added)
• 10 large eggs
• 1 cup cottage cheese (blended smooth for protein + texture)
• 1 cup shredded cheddar cheese
• 1 cup shredded mozzarella cheese
• 1 cup diced bell peppers (any color)
• ½ cup diced onions
• ½ tsp garlic powder
• ½ tsp onion powder
• ½ tsp smoked paprika
• Salt & pepper to taste
• 1 tbsp avocado oil or butter (for sautéing)

Optional Add-Ins

• 1 cup spinach, chopped
• ¼ cup diced green chilies
• ½ cup mushrooms, finely chopped

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6. How to Make Our Cheesy Sausage Breakfast Casserole

1. Cook the sausage:
   In a large skillet, heat oil or butter. Sauté the sausage until browned and fully cooked. Break it into crumbles and set aside.
2. Sauté the veggies:
   Add bell peppers and onions to the same skillet. Cook until softened, about 3–4 minutes. Add spinach or mushrooms if using.
3. Blend the egg base:
   In a large mixing bowl, whisk eggs. Add blended cottage cheese, garlic powder, onion powder, smoked paprika, salt, and pepper. Whisk until smooth and creamy.
4. Assemble the casserole:
   Preheat oven to 350°F (175°C).
   Lightly grease a 9×13 baking dish.
   Spread the cooked sausage evenly on the bottom.
   Sprinkle veggies over top.
   Pour the egg mixture across the dish.
   Finish with cheddar and mozzarella.
5. Bake:
   Bake for 30–35 minutes, or until the center is set and the top is golden and bubbly.
6. Cool & serve:
   Let the casserole rest 5–10 minutes before slicing. This helps it firm up and cut cleanly.

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7. Storage & Serving Suggestions

• Refrigerate: Store slices in airtight containers for up to 5 days.
• Freeze: Freeze individually for up to 2 months. Reheat uncovered in the oven.
• Reheat: Microwave 60–90 seconds or warm in a skillet with a splash of water.
• Serve with: Avocado slices, salsa, a dollop of Greek yogurt, or a light side salad.

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8. Tips & FAQs

Can I use pork sausage instead?
Yes — just choose a sugar-free, low-carb sausage to keep it keto.

Why add cottage cheese?
It boosts protein, makes the casserole fluffy, and keeps calories Weight Watchers–friendly.

Can I make this dairy-free?
Use a dairy-free cheese alternative and replace cottage cheese with unsweetened almond milk (½ cup). Texture will be softer.

How do I prevent it from getting watery?
Cook veggies fully to remove moisture and let the casserole rest before slicing.

Can I meal prep it?
Absolutely — this is one of the best keto breakfast meal preps. It reheats beautifully.