A hearty, one-pan comfort dish layered with seasoned ground beef, sweet bell peppers, melty cheese, and bold tomato flavor—your new go-to weeknight winner!
🕒 Servings & Timing
- Prep Time: 15 minutes
- Cook Time: 25 minutes
- Total Time: 40 minutes
- Servings: 6 generous portions
🥗 Dietary Badges
✅ Low-Carb Option
✅ Gluten-Free (with checked ingredients)
✅ Family-Friendly
✅ High-Protein
🛒 Ingredients List
- Ground beef
- Onion
- Garlic
- Bell peppers (assorted colors)
- Diced tomatoes (canned or fresh)
- Tomato paste or sauce
- Olive oil
- Italian seasoning
- Chili powder (optional)
- Salt & black pepper
- Shredded cheese (cheddar, mozzarella, or blend)
- Green onions or parsley (for garnish)
👩🍳 Instructions
- Preheat oven to 375°F (190°C). Lightly grease a square baking dish (8×8 or 9×9).
- Cook the beef – In a skillet, heat olive oil and brown the ground beef with chopped onion and garlic. Cook until fully browned, drain excess fat if needed.
- Add bell peppers – Stir in chopped bell peppers and cook for 3–4 minutes until slightly softened.
- Add tomatoes & season – Pour in diced tomatoes and a spoonful of tomato paste or sauce. Season with Italian seasoning, salt, pepper, and chili powder if using. Simmer for 5–7 minutes.
- Assemble the casserole – Spread half the meat-pepper mixture in the baking dish. Sprinkle a layer of cheese. Repeat with remaining mixture and top with the rest of the cheese.
- Bake – Bake uncovered for 15–20 minutes, until cheese is bubbly and golden.
- Garnish & serve – Let cool slightly. Top with chopped green onions or parsley and serve hot.
✨ Quick Notes & Tips
- Use lean beef (90/10) for less grease.
- For extra richness, stir a bit of cream cheese into the meat mixture before layering.
- This dish is naturally low-carb and gluten-free—no pasta or breadcrumbs required!
❤️ Why You’ll Love It
This casserole is everything you want in a weekday dinner: simple, cheesy, meaty, and satisfying. It’s a flavor-packed dish with no fuss, no layering of noodles or complicated steps—just hearty, melt-in-your-mouth goodness.
Warning: leftovers are even better the next day—if there are any left!
🔪 Step-by-Step Cooking Guide
🔥 Step 1: Brown the Beef
Heat olive oil in a large skillet. Sauté ground beef with chopped onion and minced garlic until browned.
Tip: Drain any excess grease to avoid a soggy casserole.
🌈 Step 2: Add the Peppers
Add your chopped bell peppers (any color combo works). Cook until just tender—still slightly crisp.
Tip: Yellow and orange peppers bring sweetness and color.
🍅 Step 3: Add Tomatoes & Seasoning
Stir in diced tomatoes and tomato paste. Season generously with Italian herbs, salt, pepper, and optional chili powder for heat. Simmer to thicken.
🧀 Step 4: Layer & Cheese
In a greased baking dish, layer half the meat mixture. Sprinkle with shredded cheese. Repeat with remaining mixture and top generously with more cheese.
Tip: Use a cheese blend for best flavor and melt.
🔥 Step 5: Bake It!
Bake at 375°F for about 15–20 minutes, or until cheese is golden and bubbling.
🌿 Step 6: Garnish & Serve
Sprinkle with chopped green onions or parsley for a fresh finish. Serve hot!
🧂 Ingredient Details & Substitutions
Key Ingredients:
- Ground Beef: Choose lean for a lighter option.
- Bell Peppers: Adds sweetness and crunch. Any color works!
- Tomato Base: Diced tomatoes + paste = deep flavor.
- Cheese: Use what you love—mozzarella, cheddar, Colby Jack, or a mix.
Substitutions:
- No beef? Use ground turkey, chicken, or plant-based crumbles.
- Want it spicy? Add diced jalapeños or a dash of cayenne.
- No tomato paste? Double the diced tomatoes and simmer longer.
Equipment Alternatives:
- No oven-safe skillet? Transfer the mixture to a casserole dish after cooking.
- No cheese shredder? Use pre-shredded cheese—just check for additives if GF.
🍽️ Recipe Variations & Serving Ideas
🔁 Variations:
- Mexican-Inspired: Add taco seasoning and a layer of black beans.
- Italian Twist: Use marinara instead of diced tomatoes and add ricotta between layers.
- Loaded Veggie: Add mushrooms, spinach, or zucchini for more nutrition.
🍽 Serving Suggestions:
- Serve with a side salad or roasted veggies.
- For a low-carb full meal, pair with cauliflower rice or a light soup.
🍷 Pairings:
- Glass of red wine (Cabernet or Zinfandel)
- Sparkling water with lemon
- Cooking playlist? 90s throwbacks or lo-fi chill beats!
🧊 Storage & Make-Ahead Tips
📦 Storage:
- Cool completely before storing in an airtight container.
- Lasts up to 4 days in the fridge.
❄️ Freezing:
- Wrap tightly and freeze for up to 3 months.
- To reheat: Thaw overnight, then bake at 350°F until hot.
🔥 Reheating:
- Microwave individual portions or reheat the full dish in the oven at 350°F for 15–20 minutes.
⏱ Make-Ahead:
- Prep everything ahead and refrigerate unbaked. Bake just before serving.
- Great for meal prepping lunches too!
🔢 Nutrition (Estimated Per Serving)
- Calories: 370 kcal
- Protein: 24g
- Carbs: 8g
- Fat: 26g
- Fiber: 2g
- Net Carbs: 6g
- Sodium: 480mg
Dietary Tags: Low-Carb, Gluten-Free (check cheese & broth), High-Protein
Allergens: Dairy (cheese)
❓ Frequently Asked Questions
Q: Can I make this dairy-free?
A: Yes, use dairy-free shredded cheese alternatives or omit cheese altogether and top with avocado or salsa.
Q: Can I use ground chicken or turkey instead of beef?
A: Definitely! Just make sure to season well since they’re milder in flavor.
Q: Can I turn this into a pasta bake?
A: Yes, stir in 2 cups of cooked pasta before layering and baking.
Q: Can I freeze leftovers?
A: Yes. See storage section above—this freezes beautifully.
🧡 Final Thoughts
This Cheesy Bell Pepper & Beef Casserole is the kind of recipe that turns weeknight dinners into something extra cozy. Easy to customize, prep-ahead friendly, and always crowd-pleasing, it’s a win for busy families and hungry foodies alike.
💬 Have a favorite twist on this dish? Share your tips or ask questions in the comments.
📸 Made it? Tag your creation on social with #WeeknightCheesyBake
