Few dishes capture the joy of pizza night quite like this Easy Sausage Pizza Casserole Recipe. Imagine all the flavors of a classic pizzeria favorite,savory sausage, melted cheese, rich tomato sauce, and golden pasta,baked into one bubbling, irresistible dish. It’s hearty, family-friendly, and simple enough for weeknights, yet impressive enough to serve at gatherings. This casserole transforms pizza into a fork-ready comfort classic.
Ingredients List
- 12 oz (340g) rotini or penne pasta
- 1 lb (450g) Italian sausage (mild or spicy, casings removed)
- 2 cups pizza sauce or marinara sauce
- 1 small onion, finely chopped
- 1 green bell pepper, diced
- 1 cup sliced mushrooms (optional)
- 2 cups shredded mozzarella cheese
- ½ cup sliced pepperoni
- 1 tsp Italian seasoning
- ½ tsp garlic powder
- ¼ tsp crushed red pepper flakes (optional)
- 1 tbsp olive oil
- Salt and freshly ground black pepper, to taste
- Fresh basil or parsley, chopped (for garnish)
Step-by-Step Instructions

Step 1: Cook the Pasta
Bring a large pot of salted water to a boil. Add pasta and cook until al dente, about 8 minutes. Drain and set aside.
Step 2: Cook the Sausage
In a large skillet, heat olive oil over medium-high heat. Add the Italian sausage and cook until browned, breaking it apart with a spatula. Remove excess grease if needed.
Step 3: Sauté the Vegetables
Add chopped onion, bell pepper, and mushrooms to the sausage. Sauté until soft and fragrant, about 4–5 minutes.
Step 4: Combine with Sauce
Pour in pizza sauce, then stir in Italian seasoning, garlic powder, and red pepper flakes. Simmer for 5 minutes to allow the flavors to meld. Season with salt and pepper to taste.
Step 5: Assemble the Casserole
Preheat your oven to 375°F (190°C). In a large mixing bowl, combine the cooked pasta and sausage mixture. Transfer everything into a greased 9×13-inch baking dish.
Step 6: Add Toppings and Bake
Top evenly with shredded mozzarella and pepperoni slices. Bake for 20 minutes, or until the cheese is bubbly and golden.
Step 7: Garnish and Serve
Remove from oven, let rest for 5 minutes, then garnish with chopped basil or parsley. Serve warm and enjoy that perfect pizza-pasta fusion!
Cook Time
Total Time: 40 minutes
Prep Time: 10 minutes
Cook Time: 30 minutes
Servings
Serves 6 generous portions
Nutritional Information (approx. per serving)
- Calories: 560
- Protein: 30g
- Carbohydrates: 45g
- Fat: 28g
- Saturated Fat: 12g
- Sodium: 880mg
Storage Instructions
- Refrigerate: Store leftovers in an airtight container for up to 4 days.
- Reheat: Warm in the oven at 350°F (175°C) for 10–12 minutes, or microwave individual portions until heated through.
- Freeze: Store in a freezer-safe container for up to 2 months. Thaw overnight in the refrigerator before reheating.
Suggestions
- Add Variety: Mix in black olives, roasted red peppers, or spinach for extra flavor and texture.
- Cheese Lovers’ Tip: Combine mozzarella with provolone or Parmesan for more depth.
- Make It Spicy: Use hot Italian sausage or sprinkle crushed red pepper over the top before baking.
- Low-Carb Option: Replace pasta with cooked cauliflower florets for a lighter alternative.
Seasonal Relevance
This casserole is a year-round crowd-pleaser. In colder months, it’s a cozy, bubbling comfort dish that warms the table; in summer, it’s perfect for casual family dinners when you crave pizza without the delivery. Its universal appeal makes it ideal for potlucks, game nights, and family gatherings any time of year.
Conclusion
The Easy Sausage Pizza Casserole Recipe takes everything you love about pizza,savory sausage, melted cheese, and tangy tomato sauce,and reimagines it in the form of a baked pasta dish that’s both nostalgic and satisfying. It’s easy, family-friendly, and endlessly customizable. Whether it’s a busy weeknight or a cozy weekend meal, this casserole brings classic pizza flavor to your dinner table in the most comforting way possible.
