Baked Stuffed Rigatoni with Hearty Beef Ragu and Mozzarella

This Baked Stuffed Rigatoni is the ultimate comfort food—tubes of pasta packed with a rich beef ragu, nestled in a creamy sauce, and baked under a blanket of bubbly mozzarella. While I adore simple slow cooker meals like my classic Crockpot Sausage and Peppers, this baked pasta is a showstopper perfect for a weekend dinner. It delivers incredible flavor with a truly satisfying, hands-on cooking process.

The Ragu: Slow-Simmered Flavor (Stovetop or Crockpot)

The heart of this dish is a deep, flavorful beef ragu. A low-and-slow simmer is non-negotiable for developing flavor and tenderness. You have two excellent methods to achieve this.

• Stovetop Method (Classic): This gives you more control over the browning and reduction process. You’ll simmer it gently on the stove for at least 1.5-2 hours.
• Crockpot Method (Hands-Off): Perfect for fitting into a busy day. Simply brown the meat and aromatics in a skillet, then transfer everything to your slow cooker. Let it simmer on low for 6-8 hours. This method yields an incredibly tender ragu, much like the one in my popular Slow Cooker Chicken Taco Filling.

No matter the method, ensure your final ragu is thick, not watery. A loose sauce will make stuffing the pasta impossible and lead to a soupy final dish.

Mastering the Stuffing Technique

Getting the filling inside the rigatoni is the signature step. Don’t be intimidated; a little prep makes it easy.

• Cool the Ragu: Let the meat sauce cool slightly. It will thicken as it cools, making it much easier to handle.
• The Piping Bag Method (Fastest): Spoon the cooled ragu into a large piping bag or a durable zip-top bag. Snip off a corner that is slightly smaller than the opening of the rigatoni. This allows you to fill each tube quickly and cleanly.
• The Small Spoon Method (No Special Tools): Use a small espresso spoon or the handle of a teaspoon to push the filling into each piece of pasta. It takes longer but works just as well.
• Work in Batches: Don’t try to stuff all the pasta at once. Work with a small batch, place them in the dish, and then grab more.

Cheese Strategy: The Perfect Melt & Pull

The right cheese and application are key for that glorious, bubbly, golden-brown top and epic cheese pull.

• Low-Moisture Mozzarella: This is critical. Fresh mozzarella balls release too much water during baking, which can make the dish soupy. Use a block of low-moisture, whole-milk mozzarella and shred it yourself for the best melt.
• Ricotta or Béchamel Base: A thin layer of seasoned ricotta cheese or a simple béchamel sauce at the bottom of the baking dish creates a creamy foundation and prevents the pasta from sticking.
• Layering is Key:
  • A thin layer of sauce on the bottom.
  • A layer of seasoned ricotta.
  • The stuffed rigatoni, standing upright.
  • A final layer of marinara or reserved ragu over the top.
  • A generous blanket of shredded mozzarella and a sprinkle of Parmesan.

Step-by-Step Instructions

1. Make the Beef Ragu:
   • Heat olive oil in a large pot or Dutch oven over medium-high heat. Add the ground beef and Italian sausage, breaking it up with a spoon. Cook until browned, then drain excess fat.
   • Add the diced onion, carrot, and garlic. Sauté for 5-7 minutes until softened.
   • Stir in the tomato paste and cook for 1 minute until it darkens slightly.
   • Pour in the red wine to deglaze the pan, scraping up any browned bits. Let it reduce by half.
   • Add the crushed tomatoes, beef broth, oregano, basil, bay leaf, salt, and pepper. Bring to a simmer.
   • Reduce heat to low, cover, and let it simmer for at least 1.5 hours (or transfer to a crockpot for 6-8 hours on low). The sauce should be very thick. Remove the bay leaf and let it cool slightly.
2. Prepare the Pasta and Cheese Filling:
   • Preheat your oven to 375°F (190°C).
   • Cook the rigatoni in a large pot of salted boiling water until al dente (about 2 minutes less than package directions). Drain immediately and rinse with cold water to stop the cooking process. Toss with a little olive oil to prevent sticking.
   • In a bowl, mix the ricotta cheese, half the Parmesan, egg, parsley, salt, and pepper until well combined.
3. Assemble the Casserole:
   • Spread a thin layer of marinara sauce on the bottom of a 9×13 inch baking dish.
   • Spread the ricotta mixture evenly over the marinara sauce.
   • Using a piping bag or small spoon, fill each cooked rigatoni tube with the cooled beef ragu.
   • Stand the stuffed rigatoni upright in the baking dish, packing them in tightly together.
   • Spoon any remaining marinara sauce over the top of the pasta.
   • Sprinkle evenly with the shredded mozzarella and the remaining Parmesan cheese.
4. Bake to Perfection:
   • Cover the dish with foil and bake for 20 minutes.
   • Remove the foil and bake for another 15-20 minutes, or until the cheese is melted, bubbly, and starting to brown on top.
   • Let the dish rest for 10-15 minutes before serving. This allows it to set and makes cutting much cleaner. Garnish with fresh basil.

For a sweet treat after this savory meal, a batch of chocolate espresso banana bread is a wonderful pairing with coffee.

COMMON MISTAKES TO AVOID

• Mistake: Overcooking the pasta.
  • Fix: Boil the rigatoni for 2-3 minutes less than the package instructs. It will finish cooking in the oven, and this prevents it from turning to mush.
• Mistake: Using a thin, watery ragu.
  • Fix: Ensure your ragu is simmered long enough to become thick and rich. If it’s too thin, the filling will run out, and the final dish will be soggy. Simmer it uncovered for the last 20-30 minutes to reduce if needed.
• Mistake: Stuffing hot pasta with hot ragu.
  • Fix: Let both the pasta and the ragu cool down. Rinsing the pasta with cold water stops the cooking, and slightly cooled ragu is thicker and far easier to pipe or spoon into the tubes.

FAQ

Q: Can I make this ahead of time?

A: Yes. You can assemble the entire dish, cover it tightly with plastic wrap and foil, and refrigerate for up to 24 hours. You may need to add 10-15 minutes to the covered baking time.

Q: Can I use a different type of pasta?

A: Large, hollow pasta shapes work best. Paccheri or cannelloni are excellent substitutes. You could also layer the ingredients with lasagna sheets for a different style of casserole.

Q: How do I store and reheat leftovers?

A: Store leftovers in an airtight container in the refrigerator for up to 4 days. Reheat individual portions in the microwave or a larger portion in a 350°F oven until heated through.

If you’re looking for more weekend cooking inspiration beyond pasta, these chocolate chip soft pretzels are a fun and delicious project.

NUTRITIONAL SNAPSHOT

Nutrient	Amount per Serving
Calories	680 kcal
Protein	38g
Fat	35g
Net Carbs	48g
Fiber	6g
Sugar	9g