Stuffed Jumbo Pasta Shells

Prep Time 20 minutes
Cook Time (Pasta) 10 minutes
Bake Time 25 minutes
Total Time 55 minutes
Skill Intensity Medium (Stuffing shells requires gentle handling)
Effort Intensity Low-Medium (Mostly assembly, no complex techniques)
Cleanup Intensity Medium (Uses a pot, skillet, baking dish, and mixing bowl)

Intensity Notes: The “Medium” skill rating is due to handling cooked jumbo shells without tearing them. First-timers should boil a few extra shells as backup.


Yields & Serving

  • Servings: 6 (4 stuffed shells per serving)

  • Total Shells: 24-28 stuffed shells


Ingredients

For the Shells

  • 1 box (12 oz / 340g) jumbo pasta shells (about 28-30 shells total)

  • 1 tsp salt (for pasta water)

For the Cheese Filling

  • 2 cups (16 oz / 454g) whole milk ricotta cheese

  • 2 cups (8 oz / 226g) shredded low-moisture mozzarella cheese (divided: 1.5 cups inside, 0.5 cup for topping)

  • ½ cup (2 oz / 56g) grated Parmesan cheese

  • 1 large egg (lightly beaten)

  • 2 tbsp fresh parsley (finely chopped, plus more for garnish)

  • 1 tbsp fresh basil (finely chopped, or 1 tsp dried)

  • 2 cloves garlic (minced)

  • ½ tsp salt

  • ¼ tsp black pepper

  • ¼ tsp freshly grated nutmeg (optional, but recommended)

For the Sauce & Assembly

  • 3 cups (24 oz / 700g) marinara sauce (homemade or high-quality jarred)

  • ½ cup water (to thin sauce, if needed)

  • 1 tbsp olive oil (for greasing the baking dish)

  • Fresh basil or parsley for garnish


Nutrition (per serving – 4 stuffed shells)

Approximate values using part-skim ricotta and light marinara.

Nutrient Amount
Calories 485
Protein 28g
Carbohydrates 48g
Fiber 5g
Sugar 8g
Total Fat 20g
Saturated Fat 10g
Cholesterol 80mg
Sodium 890mg
Calcium 520mg (52% DV)
Iron 3mg

*Note: Nutrition facts are estimates. To reduce sodium, use no-salt-added marinara and low-sodium ricotta. For lower fat, substitute part-skim ricotta and reduce mozzarella by 25%.*


Instructions

Step 1: Preheat & Prepare (5 min)

Preheat your oven to 375°F (190°C). Lightly grease a 9×13-inch baking dish with olive oil. Spread 1 cup of marinara sauce evenly across the bottom of the dish.

Step 2: Cook the Jumbo Shells (10 min)

Bring a large pot of salted water to a rolling boil. Add the jumbo shells and cook according to package directions until al dente (usually 9-10 minutes). Do not overcook — they need to hold their shape during stuffing. Drain and rinse with cool water to stop cooking. Lay shells on a baking sheet in a single layer to prevent sticking.

Step 3: Make the Cheese Filling (10 min)

While the pasta cooks, in a medium bowl combine:

  • Ricotta cheese

  • 1.5 cups mozzarella (reserve ½ cup for topping)

  • Parmesan cheese

  • Beaten egg

  • Parsley, basil, garlic, salt, pepper, and nutmeg.
    Mix until just combined. Do not overmix or the filling will become watery.

Step 4: Stuff the Shells (15 min – the “Medium” intensity step)

Hold one cooked shell in your palm. Using a small spoon or a piping bag (easiest method!), fill each shell with about 1.5 tablespoons of the cheese mixture. Do not overstuff — leave a ⅛-inch gap at the opening so the filling doesn’t burst out during baking. Place the stuffed shell, opening side up, into the prepared baking dish on top of the sauce. Repeat with remaining shells. You should fit about 24 large shells snugly.

Step 5: Top with Sauce & Cheese (5 min)

Pour the remaining 2 cups of marinara sauce over the stuffed shells, gently spreading to cover all exposed pasta. Use the back of a spoon to nudge sauce into any dry edges. Sprinkle the reserved ½ cup mozzarella cheese evenly over the top.

Step 6: Bake (25 min)

Cover the baking dish with aluminum foil (to prevent cheese from burning). Bake for 20 minutes. Remove foil and bake for another 5 minutes until the sauce is bubbly and the cheese on top is golden and slightly browned in spots.

Step 7: Rest & Serve (5 min)

Remove from oven. Let rest for 5-10 minutes — this allows the filling to set, so the shells hold together when served. Garnish with fresh parsley or basil. Serve with crusty bread or a green salad.


Make-Ahead & Storage Instructions

  • Refrigerate raw (unbaked): Assemble the stuffed shells in the baking dish, cover tightly, and refrigerate for up to 2 days. Add 5-10 minutes to the bake time (keep foil on).

  • Freeze (unbaked): Assemble in a freezer-safe dish (do not use glass). Cover with foil and then plastic wrap. Freeze for up to 3 months. Bake from frozen at 375°F for 45-50 minutes (covered for first 30 min).

  • Reheat leftovers: Microwave individual portions or reheat covered in a 350°F oven for 15 minutes.


Pro Tips for Perfect Shells

  • Boil extra shells: At least 30-32 total. Some will tear during boiling or stuffing.

  • Use a piping bag (or zip-top bag): Cut a ½-inch corner off a zip-top bag to pipe filling into shells quickly, cleanly, and evenly.

  • Don’t skip the nutmeg: It sounds odd, but nutmeg brightens ricotta and gives that “secret restaurant” flavor.

  • For a meat version: Brown ½ lb ground beef or Italian sausage with the garlic, then add to the marinara sauce before pouring over the shells.


Variations

  • Spinach & Ricotta: Add ½ cup thawed, squeezed-dry frozen spinach to the filling.

  • Vegan: Use tofu ricotta (blended firm tofu + lemon juice + nutritional yeast) and vegan mozzarella. Omit egg (use 1 tbsp cornstarch mixed with 2 tbsp water).

  • Gluten-free: Use gluten-free jumbo shells (cook just until pliable, no more than 7 minutes).


Final Note from the Chef

“Stuffed jumbo shells are a forgiving, joyful dish. If a shell tears, don’t stress—just patch it with a smear of ricotta and nestle it into the sauce. The oven does the rest.”

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