Baked Rigatoni with Sausage

A hearty Italian-American casserole featuring rigatoni pasta, savory sausage, sweet bell peppers, and a rich tomato sauce, all baked under a blanket of melted cheese.

I made baked rigatoni with sausage & peppers for a weeknight family dinner when everyone was craving something cozy but bold. The aroma as it baked made the kitchen feel so inviting.

Ingredients

• Pasta: 1 pound (450 g) rigatoni
• Meats: 1 pound (450 g) Italian sausage (mild or spicy), casings removed
• Vegetables: 1 red bell pepper, sliced, 1 yellow bell pepper, sliced, 1 green bell pepper, sliced, 1 medium yellow onion, diced, 3 cloves garlic, minced
• Sauce: 1 can (28 oz / 800 g) crushed tomatoes, 2 tablespoons tomato paste, 1 teaspoon dried oregano, 1 teaspoon dried basil, ½ teaspoon red pepper flakes (optional), Salt and freshly ground black pepper, to taste
• Cheeses: 2 cups (200 g) shredded mozzarella cheese, ½ cup (50 g) grated Parmesan cheese
• Other: 2 tablespoons olive oil, Fresh basil or parsley, for garnish (optional)

Instructions

Prepare the dish:

Preheat the oven to 375°F (190°C). Lightly grease a 9x13-inch (23x33 cm) baking dish.

Cook the Pasta:

Boil rigatoni in salted water until just al dente, about 2 minutes less than package instructions. Drain and set aside.

Brown Sausage:

Heat olive oil in a skillet over medium heat. Add sausage, break up with spoon, cook until browned (5 min). Remove sausage and set aside.

Sauté Vegetables:

In the same skillet, add onion and bell peppers. Sauté until softened (5 min). Add garlic and cook for 1 minute.

Make Sauce:

Stir in tomato paste, crushed tomatoes, oregano, basil, red pepper flakes. Season with salt and pepper. Simmer for 10 minutes.

Combine:

Return sausage to skillet and stir into sauce.

Toss Pasta:

Combine rigatoni with sausage-sauce mixture in a large bowl.

Layer & Cheese:

Transfer half pasta to baking dish. Sprinkle with half the mozzarella and Parmesan. Add remaining pasta and cheeses.

Bake:

Cover with foil and bake 20 minutes. Remove foil and bake another 10–15 minutes until bubbly and golden.

Garnish & Rest:

Let rest 5 minutes. Garnish with herbs and serve.

Save

This rigatoni casserole has become a birthday request at our house. The cheesy top always draws everyone to the table, and there is never a single bite left over.

Serving Suggestions

Pair baked rigatoni with a simple green salad or garlic bread for a satisfying meal. It tastes even better with a glass of Chianti or Sangiovese.

Variations

Add mushrooms or spinach with the peppers for more vegetables. Use spicy sausage and extra red pepper flakes for a hotter kick.

Storage & Make-Ahead

Leftovers keep well in the fridge for up to 3 days. Reheat covered in the oven or microwave. Assemble ahead and bake the next day for easy entertaining.

Save

Baked rigatoni with sausage & peppers is a beloved comfort food that brings people together. Enjoy every cheesy, flavorful bite with your favorite company.

Recipe FAQ

→ Can I use turkey sausage instead of Italian sausage?

Yes, turkey sausage is a great lighter alternative and maintains the dish’s flavor with a leaner profile.

→ How do I know when the pasta is perfectly al dente for baking?

Cook rigatoni about 2 minutes less than package instructions so it remains firm during baking without becoming mushy.

→ What can I add for extra vegetables in this dish?

Sautéed mushrooms or fresh spinach blend well with the existing ingredients, adding more depth and nutrition.

→ How spicy is the dish and can I adjust it?

Using mild or spicy sausage and controlling red pepper flakes lets you easily tailor the heat level to your preference.

→ What cheese types work best for topping?

Mozzarella provides gooey meltiness while Parmesan adds a sharp, savory finish. Combining both yields great flavor and texture.

→ Is it better to cover the dish while baking?

Covering with foil protects moisture during the first 20 minutes, then uncovering allows the cheese topping to brown nicely.