This is a cheesy, meaty supreme pizza casserole loaded with pepperoni, sausage, mushrooms, and peppers. This high-protein, low-carb version gives you all the pizza flavor in an easy baked dish — no crust needed!
Why You’ll Love This Recipe
- Gooey melted cheese with all your favorite pizza toppings exactly like your photo
- Very high protein from sausage and extra cheese
- One-pan recipe that’s simple and family-friendly
- Sugar-free, keto-friendly, and incredibly satisfying
- Perfect for meal prep or pizza night without the carbs
Ingredients (Serves 6)
- 2 lbs ground Italian sausage or beef
- 1 cup sliced pepperoni
- 8 oz mushrooms, sliced
- 1 green bell pepper, chopped
- ½ small onion, diced
- 2 garlic cloves, minced
- 2 cups low-sugar marinara or pizza sauce
- 3 cups shredded mozzarella cheese
- 1 cup shredded cheddar or Parmesan
- 1 tsp Italian seasoning
- ½ tsp red pepper flakes (optional)
- Salt & black pepper to taste
Instructions
- Preheat oven to 375°F (190°C). Grease a 9×13-inch baking dish.
- In a large skillet, cook sausage until browned. Add mushrooms, bell pepper, onion, and garlic. Cook 5–6 minutes until vegetables soften. Drain excess fat.
- Stir in marinara sauce, Italian seasoning, red pepper flakes, salt, and pepper. Simmer 2–3 minutes.
- Transfer mixture to the baking dish. Top with half the mozzarella, then layer pepperoni slices. Finish with remaining cheese.
- Bake 20–25 minutes until cheese is bubbly and golden.
- Let rest 5 minutes before serving.
Prep Time: 10 minutes Bake Time: 20–25 minutes Total Time: 30–35 minutes
Nutrition (Per Serving)
- Calories: ~420
- Protein: 32g (high)
- Total Carbs: 8g
- Net Carbs: 6g
- Fat: 30g
