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Easy Low Carb Pizza Casserole

A cheesy, keto-friendly pizza bake loaded with ground beef, pepperoni, and melted cheese—without the crust or carbs!
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Prep Time 10 minutes
Cook Time 20 minutes
Total Time 30 minutes
Servings: 6 servings
Course: Dinner, Main Course
Cuisine: American, Low-Carb
Calories: 390
Ingredients Equipment Method Notes

Ingredients
  

Meat Base
  • 1 lb ground beef or Italian sausage
  • 1 small onion diced
  • 2 cloves garlic minced
  • 1 tsp Italian seasoning
  • 0.5 tsp salt
  • 0.25 tsp black pepper
Casserole Layers
  • 1.5 cups sugar-free marinara sauce
  • 0.5 cup bell peppers chopped
  • 0.5 cup mushrooms sliced
  • 1 cup mozzarella cheese divided
  • 0.5 cup cheddar cheese
  • 0.25 cup Parmesan cheese grated
  • 15 slices pepperoni
  • 2 tbsp black olives optional, chopped
  • 1 tbsp fresh basil for garnish

Equipment

  • Large skillet
  • Casserole dish
  • Wooden spoon
  • Oven

Method
 

  1. Preheat oven to 375°F (190°C) and grease a casserole dish.
  2. In a skillet, brown the ground beef with onions until cooked through.
  3. Add garlic, Italian seasoning, salt, and pepper; cook for another minute.
  4. Stir in marinara sauce and simmer for 2–3 minutes.
  5. Spread half the meat mixture in the dish, layer with half the cheeses and veggies.
  6. Add remaining meat, top with cheese, pepperoni, and olives.
  7. Bake for 15–20 minutes until bubbly and golden.
  8. Garnish with fresh basil before serving.

Notes

Use sugar-free marinara to keep this keto-friendly. Perfect for meal prep or family pizza night.