Cheesy Pizza Casserole Recipe

User Reviews

4.5

86 reviews
Excellent
  • Prep Time

    5 mins

  • Cook Time

    35 mins

  • Total Time

    40 mins

  • Servings

    8 servings

  • Calories

    475 kcal

  • Course

    Main Course

  • Cuisine

    Keto

Cheesy Pizza Casserole Recipe

This Cheesy Pizza Casserole combines ground Italian sausage, mushrooms, bell pepper, onions, pepperoni, and a trio of cheeses—mozzarella, ricotta, and Parmesan—to layer a rich, hearty baked dish. The vegetables are sautéed until their moisture evaporates, which prevents the casserole from becoming watery and helps concentrate the flavors. Each layer melds the savory meats with creamy cheeses and Mediterranean vegetables, delivering a pizza-inspired casserole that can be prepared ahead and baked until bubbly and golden.

Description

Cheesy Pizza Casserole Recipe blends Italian sausage, pepperoni, cremini mushrooms, bell pepper, and diced tomatoes with a layered mixture of ricotta, mozzarella, and Parmesan cheeses. The preparation begins by browning the sausage, then sautéing onions, garlic, peppers, and mushrooms to soften and reduce moisture, ensuring a well-textured casserole. The ingredients are layered in a casserole dish, alternating meat, vegetables, and cheeses. Baking melds the flavors while creating a rich, savory dish reminiscent of pizza but with a comforting, baked casserole profile.

The sautéing steps help develop a depth of flavor and reduce the moisture content from the vegetables, preventing sogginess. The combination of three cheeses adds creaminess and a salty tang that complements the robust sausage and pepperoni. This layered casserole works well as a dinner main and pairs nicely with a simple salad or steamed greens.

If you wish to lower the carbohydrate content, consider reducing the onion, garlic, and bell pepper quantities, which contribute some carbs but add important flavor and texture. The recipe yields several servings, making it suitable for leftovers or meal prep.

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Ingredients

Servings
  • 1 lb Italian sausage hot or mild, depending on your personal preference, ground
  • ½ onion diced finely
  • 6 cloves garlic diced finely
  • 8 oz cremini mushrooms cleaned and sliced thin
  • 2 tbsp Italian seasoning
  • 1 bell pepper seeded and diced
  • 1 cup pepperoni whatever thin-sliced pepperoni brand you love, sliced
  • ½ cup black olive sliced
  • 2 cups mozzarella cheese shredded
  • 1 cup ricotta cheese
  • 1 cup Parmesan Cheese grated
  • 1 diced tomatoes canned, do not drain

Instructions

  1. Preheat oven to 350 degrees Fahrenheit.
  2. In a large pan, cook and crumble ground italian sausage on medium high heat.
  3. When Italian sausage is browned, remove from pan and set aside. Do not drain or clean out pan.
  4. Add onions to pan and let soften and brown, about 5 minutes.
  5. Add garlic to pan and cook down until fragrant and lightly browned, another 3-4 minutes on medium-low. Do not let garlic burn.
  6. Add peppers and mushrooms to pan and cook to softened and lightly browned.
  7. Drain off any excess moisture from vegetables (very important!! I often will squeeze them to get any excess water out of the vegetables.)
  8. Prep a 9x9 casserole dish with coconut oil cooking spray (or your favorite way to prep pans - foil, parchment, butter, lard, cooking spray all work just fine.)
  9. Layer 1/2 the sausage crumbles onto the bottom of the pan.
  10. Add a layer of ricotta, parmesan, and mozzarella (use about 1/3 of each, there will be 3 layers of cheese overall.)
  11. Add a layer of 1/2 the vegetables.
  12. Layer some (about 1/2) the pepperonis across the casserole.
  13. Add a layer of diced tomatoes (and the water they are packed in.)
  14. Layer the rest of the meat, then another cheese layer, followed by the rest of the vegetables and tomatoes.
  15. Finish the casserole with a top layer of cheese and pepperonis, garnish with olives.
  16. Cover casserole with foil and bake for 20 minutes, until casserole is hot and bubbly.
  17. Remove foil and cook until cheese is browned, about another 10 minutes.
  18. Serve immediately and enjoy.

Notes

  • To reduce carbohydrates, decrease or omit the onion, garlic, and bell pepper while noting this changes the flavor profile.
  • Sauté vegetables thoroughly and drain excess moisture to avoid a watery casserole.
  • Prepare the casserole layers as described to ensure even distribution of ingredients and cheeses.

Nutrition Information

Show Details
Serving 1g Calories 475kcal (24%) Carbohydrates 13g (4%) Protein 28g (56%) Fat 35g (54%) Saturated Fat 15g (75%) Polyunsaturated Fat 20g (118%) Trans Fat 1g (50%) Cholesterol 84mg (28%) Sodium 1194mg (50%) Fiber 1g (4%) Sugar 4g (8%)

Nutrition Facts

Serving: 8servings

Amount Per Serving

Calories 475 kcal

% Daily Value*

Serving 1g
Calories 475kcal 24%
Carbohydrates 13g 4%
Protein 28g 56%
Fat 35g 54%
Saturated Fat 15g 75%
Polyunsaturated Fat 20g 118%
Trans Fat 1g 50%
Cholesterol 84mg 28%
Sodium 1194mg 50%
Fiber 1g 4%
Sugar 4g 8%

* Percent Daily Values are based on a 2,000 calorie diet.

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4.5

86 reviews
Excellent

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