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Baked Sausage Tortellini Casserole
This is one of those “everyone’s happy” dinners. The kind you make when you want something comforting and cheesy, but you also want it to be easy enough that you’re not stuck in the kitchen all night.
Baked sausage tortellini casserole has everything going for it: pillowy cheese-filled tortellini, a rich marinara sauce that tastes like it’s been simmering all day (even though it hasn’t), and savory Italian sausage tucked into every bite. Then the whole thing gets blanketed in mozzarella and Parmesan until it bubbles and turns lightly golden on top. When you pull it out of the oven, it’s all sizzly at the edges and smells like garlic, tomato, and cozy weeknight magic.
It’s perfect for busy evenings, casual get-togethers, or those nights when you just want a big pan of comfort with minimal effort.
Ingredients
20 ounces refrigerated cheese tortellini
1 pound Italian sausage (pork)
1 tablespoon olive oil (if needed)
3 cloves garlic, minced
1 small onion, finely diced
1 jar (24 ounces) marinara sauce
½ teaspoon Italian seasoning
¼ teaspoon red pepper flakes (optional)
Salt and black pepper, to taste
1½ cups shredded mozzarella cheese
½ cup grated Parmesan cheese
2 tablespoons chopped fresh parsley (for garnish)
Instructions
1. Preheat and Prep
Preheat your oven to 375°F (190°C).
Lightly grease a 9×13-inch baking dish and set it nearby. You’ll thank yourself later.
2. Cook the Tortellini
Bring a large pot of salted water to a boil.
Cook the tortellini according to the package instructions, but pull it when it’s just al dente. It’ll finish cooking in the oven, and you don’t want it going too soft.
Drain and set aside.
3. Brown the Sausage
In a large skillet over medium heat, cook the Italian sausage. Break it up with a spoon as it browns.
This usually takes about 6–8 minutes. Once it’s fully cooked, drain off any extra grease if needed.
If your sausage is lean and the pan looks dry, add a little olive oil before the next step.
4. Add the Onion and Garlic
Add the diced onion to the skillet. Cook for 2–3 minutes until it softens and starts to smell sweet.
Stir in the minced garlic and cook for about 30 seconds. Keep it moving — garlic loves to brown quickly.
5. Build the Sauce
Pour in the marinara sauce. Sprinkle in Italian seasoning and red pepper flakes (if you like a little heat).
Season with salt and black pepper to taste.
Let the sauce simmer for about 5 minutes. It thickens slightly and the flavors deepen, like they’re all settling in together.
6. Assemble the Casserole
Add the cooked tortellini to the baking dish. Pour the sausage sauce over the top.
Stir gently until everything is evenly coated. Try not to break up the tortellini too much — those little pockets of cheese are the best part.
Sprinkle mozzarella evenly over the top, then finish with Parmesan.
7. Bake Until Bubbly
Bake uncovered for 20–25 minutes, until the cheese is melted and bubbling and the top is lightly golden.
If you want a slightly crispier top, you can broil for 1–2 minutes at the end — just keep an eye on it.
8. Rest, Garnish, and Serve
Let the casserole rest for about 5 minutes after it comes out of the oven. This helps everything set up so it scoops nicely.
Sprinkle with fresh parsley right before serving for a little color and freshness.
Presentation Tips
Serve it straight from the baking dish for that cozy, family-style feel.
Add a little extra Parmesan at the table — it looks pretty and tastes even better.
A sprinkle of parsley (or even basil if you have it) makes the whole thing look fresh and vibrant.
Pair with garlic bread and a simple green salad for a complete, restaurant-style plate.
Nutritional Information:
⏰ Prep Time: 15 minutes | Cooking Time: 30 minutes | Total Time: 45 minutes
🔥 Kcal: Approximately 620 kcal per serving
🍽️ Servings: 6 servings
Conclusion
This baked sausage tortellini casserole is the kind of recipe you’ll end up making on repeat. It’s hearty, cheesy, and satisfying — and it comes together without any complicated steps.
If you’ve got a busy weeknight ahead or you need something comforting that feeds a crowd, this is the one. Make it soon, and don’t be surprised if people go back for seconds (and “just a little more” of that bubbly cheesy top).
