Stuffed Shells with Ground Beef (Easy Make-Ahead Family Dinner)

Stuffed pasta shells have a reputation for being a labor of love, but this version keeps things approachable while still delivering that rich, cheesy, comforting payoff. Jumbo pasta shells are filled with a creamy ricotta-spinach mixture, layered into a hearty ground beef marinara sauce, and baked under a blanket of melted mozzarella and parmesan. It’s the kind of dinner that looks impressive on the table but is genuinely simple enough to make on a weeknight — and it happens to be a fantastic make-ahead meal, too.

With 9 servings (3 shells each), this recipe is built to feed a family with leftovers to spare, or to freeze a portion for an easy dinner down the road.

Ingredients

• 27 jumbo pasta shells
• 1 teaspoon olive oil
• 1 onion, chopped
• ¾ teaspoon kosher salt, divided
• 2 garlic cloves, chopped
• 1 pound lean ground beef
• 28 ounces marinara sauce
• 1 (15-oz) container part-skim ricotta cheese
• 1 egg
• 1 (16-oz) package frozen spinach, thawed and squeezed well
• 2 cups part-skim shredded Italian cheese blend (or shredded mozzarella), divided
• ½ cup parmesan cheese, divided

Squeezing the thawed spinach thoroughly is an important step — excess water left in the spinach can make the ricotta filling watery instead of creamy.

How to Make Stuffed Shells with Ground Beef

Step 1: Preheat the oven.
Preheat your oven to 350°F.

Step 2: Cook the shells.
Cook the jumbo pasta shells in a large pot of salted water for 2–3 minutes less than the package directions call for, so they’re just under al dente. This prevents them from becoming too soft once baked. Drain, rinse with cold water, and set aside.

Step 3: Sauté the onion and garlic.
While the pasta cooks, heat a large skillet over medium heat. Add the olive oil, then sauté the onion with ¼ teaspoon of salt until translucent, about 3–5 minutes. Add the garlic and cook until fragrant, about 1 minute, stirring frequently so it doesn’t burn.

Step 4: Brown the beef.
Add the ground beef and another ¼ teaspoon of salt to the skillet. Sauté until browned and fully cooked through, breaking it into small pieces as it cooks, about 5–7 minutes. Drain any excess oil if desired.

Step 5: Make the meat sauce.
Add the marinara sauce to the skillet and stir to combine, then remove from heat.

Step 6: Make the ricotta filling.
In a large bowl, mix together the ricotta cheese, egg, spinach, 1 cup of the Italian cheese blend, ¼ cup of the parmesan, and ¼ teaspoon of salt, stirring until well combined.

Step 7: Fill the shells.
Once the shells have cooked and cooled enough to handle, fill each one with about 2 heaping tablespoons of the ricotta-spinach mixture.

Step 8: Layer the baking dish.
Spread half of the beef marinara sauce across the bottom of a large baking dish. Arrange the filled shells on top, then cover with the remaining beef marinara sauce, the remaining 1 cup of Italian cheese blend, and the remaining ¼ cup of parmesan.

Step 9: Bake.
Cover the dish with foil and bake for 40 minutes. Uncover and bake for an additional 5 minutes to let the cheese finish melting and lightly brown.

Step 10: Serve.
Sprinkle with fresh parsley if desired, and serve warm.

Recipe Details

• Prep time: 25 minutes
• Cook time: 45 minutes
• Total time: 1 hour 10 minutes
• Servings: 9 (3 stuffed shells each)

Tips for the Best Results

• Undercook the shells slightly. Since they’ll continue cooking in the oven, pulling them 2–3 minutes early prevents them from becoming mushy or tearing during filling.
• Squeeze the spinach very well. Excess moisture is the most common cause of a watery ricotta filling.
• Don’t overfill the shells. About 2 heaping tablespoons per shell is enough — overfilling can cause them to split open while baking.
• Layer the sauce first. Spreading sauce on the bottom of the dish before adding the shells prevents sticking and helps them cook evenly.
• Let it rest briefly before serving. A few minutes out of the oven helps the cheese set slightly so it’s easier to serve.

Storage & Reheating

Store leftovers in an airtight container in the fridge for up to 4 days. Reheat individual portions in the microwave, or cover the dish and warm in a 350°F oven until heated through. To freeze, assemble the dish up to the baking step, wrap tightly, and freeze for up to 3 months — bake from frozen, adding extra time as needed.

Final Thoughts

Stuffed Shells with Ground Beef takes a classic comfort food and makes it heartier, more filling, and easier to prep ahead of time. Between the creamy ricotta-spinach filling and the rich beef marinara, this is the kind of dish that turns into a family favorite fast — and freezes well enough to keep one in the back pocket for busier weeks.