Cheesy Beef Stuffed Pasta Shells

These cheesy beef stuffed pasta shells are jumbo pasta shells filled with seasoned ground beef, baked in marinara sauce, and finished with a blanket of melted mozzarella and Parmesan. The shells are boiled only until just tender so they stay intact and hold the filling.

This is a straightforward baked dinner: brown the beef with onion and garlic, stir in a little sauce, fill the shells, then bake until the cheese is bubbly. Cook the ground beef until it is done all the way through, and check it with a food thermometer using this USDA guidance on ground beef and food safety. Let the pan rest for 5 minutes before you serve it, so the filling settles and the shells are easier to lift.

Why You’ll Love These Cheesy Beef Stuffed Pasta Shells

• A complete baked dinner: pasta, beef, sauce and melted cheese come out of one dish.
• Shells that hold their filling: boiling them only until just tender keeps the pasta firm enough to stuff.
• Everyday ingredients: jumbo pasta shells, ground beef, onion, garlic, marinara, mozzarella and Parmesan.
• Make-ahead friendly: you can fill the shells earlier and bake them when you are ready to eat.

Ingredients You’ll Need

This recipe follows the classic homemade version: 20 jumbo pasta shells, 1 pound ground beef, a small onion, garlic, 2 cups marinara sauce, 1 1/2 cups shredded mozzarella, 1/2 cup grated Parmesan, Italian seasoning, salt, pepper and fresh parsley.

Pasta and Filling

• 20 jumbo pasta shells: large enough to hold a generous spoonful of beef. Cook them only until just tender.
• 1 lb ground beef: brown it with the onion and garlic until it is cooked through.
• 1 small onion, diced: cooked with the beef for a simple, savory base.
• 2 garlic cloves, minced: stirred in until fragrant, so the filling is not bland.
• 1 tsp Italian seasoning: plus salt and pepper, to season the beef.

Sauce, Cheese and Garnish

• 2 cups marinara sauce: 1/2 cup is stirred into the beef; the rest is spread in the baking dish.
• 1 1/2 cups shredded mozzarella: sprinkled over the filled shells so it melts and browns in spots.
• 1/2 cup grated Parmesan: added with the mozzarella for a deeper, savory finish.
• Fresh parsley: chopped and scattered over the hot pan just before serving.

Ingredient Notes

• Jumbo shells: stop the boil as soon as the pasta is just tender. Soft, overcooked shells tear when you fill them and will not hold their shape in the oven.
• Ground beef: break it up as it browns so the filling is fine enough to spoon into each shell. Confirm it is safely cooked with a food thermometer, following the USDA guidance linked above.
• Marinara: a plain, well-seasoned sauce is enough. The 1/2 cup stirred into the beef helps the filling stay moist; the rest keeps the shells from drying out as they bake.
• Mozzarella and Parmesan: shred and grate them yourself if you can, so they melt evenly over the pan. The two cheeses melt into a stretchy, savory top.

How to Make Cheesy Beef Stuffed Pasta Shells

Set out a medium baking dish, a wide pot for the pasta, and a skillet for the beef. Heat the oven to 375°F before you start filling the shells, and keep the cooked pasta in a single layer so the shells do not stick together.

Step 1: Boil the Shells Until Just Tender

1. Bring a large pot of salted water to a boil. Add 20 jumbo pasta shells and cook them only until just tender, then drain.
2. Rinse the shells briefly under cool water so they stop cooking, and lay them out in a single layer on a tray or a clean towel.
3. If a shell tears, set it aside and use it later as a patch, or cook one or two extra shells at the start so you have a spare.

Step 2: Brown the Beef With Onion and Garlic

1. In a wide skillet, cook 1 lb ground beef with 1 small diced onion over medium heat, breaking the meat into small pieces, until the beef is browned and the onion is soft.
2. Stir in 2 minced garlic cloves, 1 tsp Italian seasoning, and salt and pepper. Cook until the garlic is fragrant.
3. Confirm the ground beef is cooked through, then stir in 1/2 cup of the marinara sauce and take the skillet off the heat.

Step 3: Sauce the Dish and Fill the Shells

1. Spread the remaining marinara sauce in the bottom of a baking dish, covering the surface in an even layer.
2. Spoon the beef filling into each shell, packing it firmly enough to stay put without tearing the pasta.
3. Nest the filled shells in the sauce, open side up, in a single snug layer.

Step 4: Top With Cheese and Bake

1. Sprinkle 1 1/2 cups shredded mozzarella and 1/2 cup grated Parmesan evenly over the shells.
2. Cover the dish and bake at 375°F for 20 minutes, until the sauce is hot and the cheese has started to melt.
3. Uncover and bake for 10 more minutes, until the cheese is bubbly and lightly browned in spots.

Step 5: Rest and Finish With Parsley

1. Take the dish out of the oven and let it rest for 5 minutes so the filling settles and the shells are easier to serve.
2. Scatter fresh chopped parsley over the top, then bring the pan to the table while it is still hot.

Tips for the Best Beef Stuffed Shells

• Do not overcook the pasta: just-tender shells are easier to fill and hold their shape.
• Keep a little sauce under the shells: a bare dish lets the pasta dry out around the edges as it bakes.
• Cover first, then uncover: the covered stretch heats the filling; the uncovered stretch browns the cheese.
• Let the pan rest: 5 minutes on the counter keeps the filling from sliding out when you lift a shell.

Variations

• A little extra sauce: if you like a saucier pan, warm a little more marinara or a homemade pizza sauce with bold tomato flavor and spoon it around the shells just before serving.
• A mixed filling: stir a handful of chopped spinach or finely diced bell pepper into the beef after it has browned, and cook until the vegetables are tender.

What to Serve With Cheesy Beef Stuffed Pasta Shells

These cheesy beef stuffed pasta shells are a full plate on their own, so the sides can stay simple. A green salad and warm garlic bread are enough. For another cozy dinner, you can bake a BBQ bacon cheeseburger mac and cheese or a poor man husband casserole plus a mashed potato meatloaf casserole or a dump meal casserole too.

Make Ahead and Storage

You can assemble the dish earlier: boil the shells, make the filling, sauce the pan, and fill the shells, then cover and refrigerate. When you are ready to eat, add the cheeses and bake as directed, adding a few extra minutes if the dish goes into the oven cold. Do not leave the filled shells at room temperature.

Leftovers should be cooled and refrigerated promptly, following this USDA leftovers and food safety guidance. Reheat only the portion you plan to eat, until the shells are hot in the center. For a longer hold, freeze the cooled shells in a tightly covered dish, then thaw in the refrigerator before reheating.

Frequently Asked Questions

How do I keep cheesy beef stuffed pasta shells from tearing?

Boil the jumbo shells only until they are just tender, then drain and cool them in a single layer. Overcooked pasta is the usual reason a shell splits when you add the beef. A spare shell or two in the pot gives you a backup if one tears anyway.

Can I make beef stuffed shells ahead of time?

Yes. Fill the shells, nest them in the sauce, cover the dish, and refrigerate until you are ready to bake. Add the mozzarella and Parmesan, then bake at 375°F, allowing a little extra time if the pan is cold. Keep the assembled dish chilled until it goes in the oven.

What sauce works best for stuffed pasta shells?

A simple marinara is all this recipe needs, because the beef filling is already seasoned. Use 1/2 cup in the filling and spread the rest in the dish so the pasta stays moist. A plain tomato sauce also works if that is what you have on hand.

How should I store leftover stuffed shells?

Let the pan cool, then refrigerate the leftovers in a covered container as soon as you can, following the USDA leftovers guidance linked above. Reheat until the filling is hot all the way through. Freeze leftover shells only after they have cooled.

Can I freeze cheesy beef stuffed pasta shells?

Yes. Cool the baked shells, wrap the dish tightly, and freeze. Thaw in the refrigerator, then reheat until the center is hot. You can also freeze the unbaked, filled shells in sauce and bake them after a full thaw in the refrigerator.