Enjoy a hearty family meal with these cheese-filled jumbo pasta shells baked in a savory marinara sauce. This dish is an excellent option for meal prepping and provides a rich, comforting dinner that reheats perfectly.

List of ingredients
- 20 jumbo pasta shells – cooked according to package directions.
- 1/2 medium onion – finely chopped.
- 3 garlic cloves – minced for aromatics.
- 1 tsp salt – divided between sauce and filling.
- 1/2 tsp freshly ground black pepper – divided between sauce and filling.
- 1/4 tsp dried oregano – for herbal depth.
- 3 cups marinara sauce – used for the base and topping.
- 15 oz ricotta cheese – the primary creamy filling component.
- 1 large egg – acts as a binder for the cheese mixture.
- 1/3 cup parmesan cheese – adds a salty, sharp flavor.
- 3 cups shredded mozzarella cheese – divided for filling and topping.
- 1/4 cup parsley – fresh, chopped for mixing and garnish.
step-by-step instructions
- Prepare Pasta: Preheat your oven to 375°F. Cook the jumbo shells in a pot of salted boiling water following the package instructions, stirring occasionally to prevent sticking. Drain the shells and immediately fill the pot with cold water to stop the cooking process and keep the shells from adhering to each other.
- Prepare the Sauce: Heat 1 Tbsp of olive oil in a deep pan over medium-high heat and sauté the chopped onion until it becomes golden and softened, about 3 to 5 minutes. Stir in the minced garlic, 1/2 tsp salt, 1/4 tsp pepper, and 1/4 tsp oregano, sautéing for one more minute until fragrant. Add 3 cups of marinara sauce, bring to a boil, simmer for 2 minutes, and pour the sauce into the bottom of a 9×13 inch casserole dish.
- Mix the Cheese Filling: In a large mixing bowl, combine 15 oz ricotta cheese, 2 cups of shredded mozzarella, 1/3 cup parmesan, 1 egg, 1/4 cup parsley, 1/2 tsp salt, and 1/4 tsp black pepper. Stir the mixture thoroughly until all ingredients are well combined and smooth.
- Assemble the Dish: Use a small ice cream scoop or a spoon to fill each shell with the cheese mixture, being careful not to overstuff them. Arrange the shells in a single layer atop the marinara sauce in the casserole dish. Sprinkle the remaining 1 cup of mozzarella cheese evenly over the top.
- Bake and Finish: Cover the dish with aluminum foil and bake for 30 minutes until the sauce is bubbling around the edges. Remove the foil and broil for 2 to 4 minutes to brown the cheese. Garnish with fresh parsley before serving.
Filling and Sauce Customizations
Replacing Ricotta with Cottage Cheese
If ricotta is unavailable, you can use plain cottage cheese as a direct substitute. To achieve the correct consistency, drain the cottage cheese through a fine-mesh sieve or mash it with a fork before mixing it with the other cheeses.
Substituting Fresh Parsley for Dried
While fresh parsley provides a bright, clean taste, dried parsley can be used in a pinch. Use approximately one-third of the amount of dried parsley compared to fresh to avoid an overly concentrated herbal flavor.
Incorporating Fresh Spinach
For added nutrition and color, stir in a handful of finely chopped sautéed spinach to the cheese mixture. Ensure the spinach is squeezed dry after cooking to prevent the filling from becoming too watery during baking.
Using Low-Moisture Mozzarella
Always choose low-moisture mozzarella for the filling to keep the shells structurally sound. Fresh mozzarella contains too much water, which can release during baking and make the sauce thin and the pasta soggy.
Managing Sauce Consistency
If your marinara sauce is too thin, simmer it for an extra 5 to 10 minutes before adding it to the casserole dish. This reduces the water content and prevents the pasta shells from swimming in excess liquid.
Pasta Preparation Techniques
Boiling for Al Dente Consistency
Cook the shells slightly under the package directions to achieve an al dente texture. Since the shells will cook further in the oven, undercooking them slightly prevents them from becoming mushy or falling apart.
The Importance of the Cold Water Rinse
Rinsing the cooked shells with cold water removes excess surface starch. This step is crucial for preventing the shells from sticking together and makes them much easier to stuff individually.
Preventing Shells from Tearing
Handle the cooked shells gently with a slotted spoon to avoid tearing the edges. If shells are overcooked, they become fragile and may break when you apply pressure while stuffing the filling.
Baking and Finishing Methods
Foil Coverage and Moisture Retention
Covering the dish with foil during the first 30 minutes of baking traps steam inside the casserole. This ensures the pasta stays moist and the cheese filling remains creamy rather than drying out.
Broiling for a Golden Crust
Broiling at the end of the process creates a caramelized, golden-brown cheese topping. Keep a close eye on the oven during this stage, as the cheese can go from perfectly browned to burnt in less than a minute.
Precautions for Glass Bakeware
Avoid using the broiler setting if you are using a glass or Pyrex casserole dish, as extreme temperature shifts can cause the glass to shatter. Instead, increase the oven temperature to 475°F and bake uncovered for 3 to 5 minutes.
Testing for Internal Temperature
The dish is fully cooked when the sauce is bubbling vigorously at the edges and the center is hot. For precise results, the internal temperature of the filling should reach 165°F.
Storage and Meal Prep Advice
Refrigeration Guidelines for Unbaked Shells
You can assemble the dish and refrigerate it unbaked for 1 to 2 days. When baking from a chilled state, add approximately 5 extra minutes to the covered baking time to ensure the center is heated through.
Long-term Freezer Storage
To freeze, assemble the shells in a freezer-safe dish without baking them first. Cover tightly with a layer of plastic wrap followed by aluminum foil to prevent freezer burn for up to 3 months.
Baking from Frozen
Bake the frozen casserole covered with foil at 375°F for 45 to 55 minutes. Once the shells are heated through, remove the foil and bake or broil for a few minutes to brown the cheese.
Reheating Strategies
Oven Reheating for Texture
To maintain the best texture, reheat individual portions in the oven at 325°F covered with foil. This prevents the pasta from drying out and keeps the cheese melty.
Microwave Reheating for Speed
When using a microwave, place the shells on a microwave-safe plate and cover them with a damp paper towel. This creates a small amount of steam that helps the pasta remain tender.
Adding Liquids to Prevent Dryness
Pasta often absorbs moisture during storage, leading to a dry texture when reheated. Add a small drizzle of water, vegetable broth, or extra marinara sauce over the shells before reheating to restore moisture.
Serving Ideas and Pairings
Pairing with Garlic Bread
Serve these shells with toasted garlic bread to scoop up any remaining marinara sauce. The crunch of the bread provides a great textural contrast to the soft pasta and creamy cheese.
Complementing with Caesar Salad
A crisp Caesar salad with a tangy dressing balances the richness of the three cheeses. The acidity of the lemon and vinegar in the dressing cuts through the heavy fats of the ricotta and mozzarella.
Adding Roasted Asparagus
Roasted asparagus or sautéed zucchini make excellent side dishes for this meal. These green vegetables add a fresh, earthy element that complements the savory tomato sauce.
Common Troubleshooting
Fixing Watery Filling
If your cheese mixture seems too runny, stir in an extra tablespoon of parmesan cheese or a teaspoon of cornstarch. This helps bind the moisture and ensures the filling stays inside the shell.
Solving Overstuffed Shells
Overstuffing shells can cause them to crack or the filling to spill out into the sauce. Use a small scoop and leave a tiny bit of room at the top of the shell to allow for expansion during baking.
Handling Burnt Cheese Tops
If the cheese browns too quickly during the broiling phase, move the oven rack to a lower position. This provides a more indirect heat that browns the cheese more evenly without scorching the edges.
Frequently Asked Questions
Can I use different pasta shapes?
While jumbo shells are traditional, you can use manicotti or large rigatoni. However, you will need to adjust the stuffing method, perhaps using a piping bag for tubes of pasta.
How do I store leftovers?
Store leftover shells in an airtight container in the refrigerator for up to 4 days. Ensure they are completely cooled before sealing the container to avoid condensation.
Can the filling be made ahead of time?
Yes, the cheese filling can be prepared up to 24 hours in advance and stored in an airtight container. Simply stir the mixture again before stuffing the shells to ensure the consistency is uniform.
Print
Cheesy Baked Stuffed Shells
- Total Time: 60 minutes
- Yield: 6 servings 1x
- Diet: Vegetarian
Description
My classic Stuffed Shells are filled with a cheesy mixture of ricotta, parmesan, and melty mozzarella cheese nestled into a boat of marinara sauce.
Ingredients
- 20 jumbo pasta shells (cooked to package instructions)
- 1/2 medium onion (chopped)
- 3 garlic cloves (minced)
- 1 tsp salt (divided)
- 1/2 tsp freshly ground black pepper (divided)
- 1/4 tsp dried oregano
- 3 cups marinara sauce
- 15 oz ricotta cheese
- 1 large egg
- 1/3 cup parmesan cheese
- 3 cups shredded mozzarella cheese (divided)
- 1/4 cup parsley
- 1 Tbsp olive oil
Instructions
- Cook Pasta: Preheat oven to 375ËšF. Cook shells in salted water according to package instructions, then drain and fill pot with cold water to stop the cooking process.
- Make the red sauce: In a deep pan over medium-high heat, add 1 Tbsp olive oil and sauté chopped onion until softened and golden. Add minced garlic, 1/2 tsp salt, 1/4 tsp pepper, and 1/4 tsp oregano. Sauté another 1 minute, add 3 cups of marinara, bring to a boil, simmer for 2 minutes, and pour into a 9×13 casserole dish.
- Combine cheese filling: In a large bowl, add 15 oz ricotta cheese, 2 cups mozzarella, 1/3 cup parmesan, 1 egg, 1/4 cup parsley, 1/2 tsp salt, and 1/4 tsp black pepper. Stir until well combined.
- Stuff the shells: Fill shells with ricotta mixture (do not overstuff). Place them in the casserole over the marinara sauce in a single layer. Sprinkle the remaining 1 cup of mozzarella cheese over the top.
- Bake: Cover with foil and bake for 30 minutes. Remove foil and broil for 2-4 minutes to lightly brown the cheese. Garnish with parsley to serve.
Notes
Swap ricotta with drained cottage cheese if necessary. To store, refrigerate unbaked shells for 1-2 days or freeze fully assembled shells for up to 3 months.
- Prep Time: 15 minutes
- Cook Time: 45 minutes
- Category: Main Course
- Method: Baking
- Cuisine: Italian
Nutrition
- Serving Size: 1 serving
- Calories: 435 kcal
- Sugar: 7 g
- Sodium: 1542 mg
- Fat: 21 g
- Saturated Fat: 13 g
- Unsaturated Fat: 8 g
- Trans Fat: 1 g
- Carbohydrates: 32 g
- Fiber: 3 g
- Protein: 30 g
- Cholesterol: 103 mg