This Million Dollar Tortellini Casserole is cheesy, creamy, and oh-so-comforting! Filled with cheese tortellini, rich sauce, and lots of melty cheese, it’s a dinner dream come true.
Honestly, it’s hard not to go back for seconds—it’s that good! I love to toss a salad on the side, but with this casserole, I could just eat it straight from the dish! 😋
Key Ingredients & Substitutions
Tortellini: The star of this dish! I love using refrigerated cheese tortellini for quick prep. If you’re gluten-free, you can find gluten-free options; or use another pasta type like penne or bowtie if necessary.
Italian Sausage: Use either mild or spicy based on your preference. You can substitute with ground turkey or chicken for a lighter dish. Veggie sausage works great too for a vegetarian option!
Marinara Sauce: Any jarred marinara will do, but homemade is always a little better! You can swap for a different pasta sauce if you like, such as Alfredo or a vodka sauce, for a unique twist.
Cheeses: Ricotta is creamy and delicious here, but you can blend cottage cheese as a lighter choice. I use whole mozzarella cheese, but part-skim or vegan cheese can work too!
How Do You Get That Cheese Nice and Melty?
Getting that gooey, bubbly cheese topping is essential! The trick is the layering process before baking.
- After mixing your ingredients, assemble them in the baking dish, leaving some cheese for the top.
- Cover the dish loosely with foil during the first part of baking to ensure it heats up slowly and evenly.
- Remove the foil in the last 10 minutes of baking for that golden, bubbly finish.
This method guarantees a perfect melt without burning the cheese. Plus, let the casserole sit for a few minutes after baking, so it firms up a bit before serving. Enjoy! 🍽️

Million Dollar Tortellini Casserole
Ingredients You’ll Need:
- 1 (20 oz) package refrigerated cheese tortellini
- 1 lb Italian sausage (mild or spicy), casing removed
- 1 (24 oz) jar marinara or spaghetti sauce
- 1 (15 oz) container ricotta cheese
- 1 cup sour cream
- 2 cups shredded mozzarella cheese, divided
- 1/2 cup grated Parmesan cheese, divided
- 2 cloves garlic, minced
- 1/2 tsp dried Italian seasoning
- Salt and pepper, to taste
- Fresh parsley or basil, chopped (for garnish)
Time Estimate:
This delicious Million Dollar Tortellini Casserole takes about 15 minutes for prep and 30 minutes to bake, so you’re looking at a total time of around 45 minutes. Perfect for a weeknight dinner that feels special!
Step-by-Step Instructions:
1. Preheat the Oven:
Start by preheating your oven to 350°F (175°C). While the oven heats up, grab a 9×13-inch baking dish and lightly grease it with cooking spray or a little oil to prevent sticking.
2. Cook the Tortellini:
Next, cook the cheese tortellini according to the package instructions—just cook it until it’s al dente (slightly firm when bitten). After it’s cooked, drain the tortellini and set it aside.
3. Sauté the Sausage:
In a large skillet over medium heat, add the Italian sausage. Use a wooden spoon to break it into small pieces as it cooks. Cook until it’s browned and fully cooked through. Once done, drain any excess fat from the skillet.
4. Add Garlic and Sauce:
Add the minced garlic to the cooked sausage and sauté for about 1 minute, just until fragrant. Then, pour in the marinara sauce and sprinkle in the dried Italian seasoning. Let it simmer for about 5 minutes, stirring occasionally to blend all those wonderful flavors. Don’t forget to season with salt and pepper to taste!
5. Prepare the Cheese Mixture:
In a separate bowl, combine the ricotta cheese, sour cream, 1 cup of the shredded mozzarella cheese, and 1/4 cup of the grated Parmesan cheese. Mix everything well until it’s smooth and creamy!
6. Combine the Ingredients:
In a large mixing bowl, gently fold together the cooked tortellini, the sausage and marinara mixture, and the cheese mixture. Make sure everything is combined well—this is the heart of your casserole!
7. Assemble the Casserole:
Now it’s time to transfer this delicious mixture into your prepared baking dish. Spread it out evenly, and then top it with the remaining 1 cup of mozzarella cheese and 1/4 cup of Parmesan cheese. Yum!
8. Bake It Up:
Place the casserole in the preheated oven and bake for 25-30 minutes. You’re looking for that beautiful bubbly, golden-top cheese! Keep an eye on it towards the end.
9. Let It Rest:
Once baked, carefully remove the casserole from the oven and let it rest for about 5 minutes. This helps it set a bit and makes it easier to serve.
10. Garnish and Serve:
To finish it off, garnish your casserole with chopped fresh parsley or basil. Now it’s ready to enjoy!
Serve this creamy, cheesy, and hearty Million Dollar Tortellini Casserole warm and watch it become a favorite at your table. Happy eating!
Can I Use Frozen Tortellini Instead of Refrigerated?
Yes, you can use frozen tortellini! Just cook it directly from frozen according to the package instructions. You may need to add a couple of extra minutes to the cooking time to ensure it’s heated through.
How Can I Make This Casserole Vegetarian?
To make a vegetarian version, simply replace the Italian sausage with a plant-based sausage or skip the sausage altogether. You could also add chopped vegetables like bell peppers, spinach, or mushrooms for extra flavor and nutrition.
Can I Prepare This Casserole Ahead of Time?
Absolutely! You can assemble the casserole a day in advance, cover it tightly, and refrigerate. When you’re ready to bake, simply take it out of the fridge while you preheat the oven and bake as instructed. You may need to increase the baking time slightly if it’s still cold from the fridge.
How Should I Store Leftovers?
Store any leftovers in an airtight container in the refrigerator for up to 3 days. To reheat, either warm in the oven at 350°F or microwave in 30-second intervals until heated through. If it seems dry, add a splash of marinara or cream when reheating to keep it creamy!



