Ricotta and Spinach Stuffed Shells
This is one of those weeknight-to-weekend recipes that feels like a warm, comforting hug. Ricotta and Spinach Stuffed Shells take jumbo pasta shells and fill them with a creamy, lightly seasoned ricotta-spinach filling, nestle them in a bed of marinara, and bake until bubbling and golden. It’s approachable, cozy, and perfect for feeding a family or for making ahead and reheating. Below you’ll find a friendly introduction, tips for success, and a clear, step-by-step recipe that keeps the process simple and the flavors bright.
Why you’ll love this recipe
- Simple ingredients that you probably already have on hand.
- A great make-ahead meal: assemble and refrigerate or freeze for later.
- Comforting and cheesy, but balanced with fresh spinach for color and nutrients.
- Perfect for weeknights, potlucks, or a cozy weekend dinner.
Ingredients
Make sure you have the following on hand:
- ▢24 jumbo shells
- ▢1 tablespoon olive oil
- ▢2 to 3 cloves garlic, finely minced
- ▢4 cups fresh spinach
- ▢2 cups ricotta cheese
- ▢½ cup shredded parmesan cheese
- ▢1 egg
- ▢1 teaspoon salt
- ▢½ teaspoon ground pepper
- ▢½ teaspoon dried parsley
- ▢½ teaspoon dried basil
- ▢½ teaspoon dried oregano
- ▢2 ½ cups jarred marinara sauce, from a 24 ounce jar, divided
- ▢1 cup shredded mozzarella cheese
- ▢Fresh parsley, optional for garnishing
Equipment
- Large pot for boiling pasta
- Large skillet or sauté pan
- Mixing bowl and spoon
- 9×13-inch baking dish (or similar size)
- Slotted spoon or tongs for transferring shells
- Aluminum foil
Prep notes and tips
- Start by preheating the oven so it’s hot when you’re ready to bake.
- Cook the pasta shells just to al dente so they hold up when stuffed and baked.
- When sautéing spinach, drain any excess moisture so the filling isn’t watery.
- If your ricotta is very loose, drain it briefly in a fine-mesh sieve to tighten the texture slightly.
- Room-temperature egg blends more evenly into the filling—if you remember, take the egg out of the fridge while you prepare the other ingredients.
Step-by-step instructions
The following rewritten directions follow the original order and ingredient quantities exactly. Read through once before you begin so everything goes smoothly.
- Preheat your oven to 375°F (190°C). Lightly oil or spray a 9×13-inch baking dish.
- Bring a large pot of salted water to a boil. Add the 24 jumbo shells and cook them according to the package directions until just al dente. Carefully drain the shells and set them on a baking sheet or a clean kitchen towel to cool slightly, keeping them from sticking together.
- While the shells cook, heat 1 tablespoon olive oil in a large skillet over medium heat. Add the 2 to 3 cloves garlic, finely minced, and sauté for about 30 seconds until fragrant but not browned.
- Add the 4 cups fresh spinach to the skillet with the garlic. Sauté, stirring often, until the spinach is wilted, about 2 to 4 minutes. Remove the skillet from heat and let the spinach cool slightly. If the spinach releases a lot of liquid, transfer it to a sieve or towel and press gently to remove excess moisture. Chop the spinach finely if large leaves remain.
- In a mixing bowl combine 2 cups ricotta cheese, ½ cup shredded parmesan cheese, 1 egg, 1 teaspoon salt, ½ teaspoon ground pepper, ½ teaspoon dried parsley, ½ teaspoon dried basil, and ½ teaspoon dried oregano. Stir until evenly combined.
- Add the cooled, drained spinach to the ricotta mixture and fold it in until the filling is uniform in color and texture.
- Pour 1 cup of the 2 ½ cups jarred marinara sauce into the bottom of the prepared baking dish, spreading it into an even layer. Reserve the remaining 1 ½ cups marinara for topping the shells later.
- Using a small spoon, carefully fill each cooked jumbo shell with the ricotta-spinach mixture. Place each filled shell seam-side up in the baking dish on top of the marinara in a single layer. Arrange them close together but not so tight that the filling squeezes out.
- Once all 24 shells are filled and arranged, spoon the remaining 1 ½ cups marinara sauce over the tops of the shells, covering them evenly.
- Sprinkle 1 cup shredded mozzarella cheese across the top of the sauced shells, ensuring full coverage.
- Cover the baking dish loosely with aluminum foil and bake in the preheated 375°F oven for 20 minutes. After 20 minutes, remove the foil and bake for an additional 8 to 12 minutes, or until the cheese is melted and bubbly and the edges show gentle browning.
- Remove the baking dish from the oven and let the shells rest for 5 minutes to set. This helps the filling settle and makes serving cleaner.
- Garnish with fresh parsley if desired, slice into portions, and serve hot.
Serving suggestions
These stuffed shells pair beautifully with a crisp green salad, garlic bread, or roasted vegetables. For a lighter finish, a lemon-dressed arugula salad cuts through the richness of the cheese. Leftovers reheat well—cover and bake at 350°F for 15–20 minutes or microwave individual portions until hot.
Make-ahead and storage
- To assemble ahead: Prepare shells and filling, arrange in the baking dish, cover tightly with plastic wrap, and refrigerate for up to 24 hours. When ready to bake, remove plastic wrap, top with remaining sauce and cheese, then bake, adding a few extra minutes if cold from the fridge.
- To freeze: Assemble the dish, do not bake, wrap tightly in foil, and place in the freezer for up to 3 months. Bake from frozen at 375°F for 45–60 minutes, covered for the first 35–40 minutes, then uncovered until bubbly and heated through.
- Store leftovers in an airtight container in the refrigerator for up to 4 days. Reheat gently to preserve texture.
Ingredient swaps and variations
- For a richer filling, stir in ¼ cup shredded mozzarella or 2 tablespoons cream cheese to the ricotta mixture.
- Add a pinch of red pepper flakes to the marinara or filling for a touch of heat.
- Mix in ½ cup cooked, crumbled plant-based sausage or a diced roasted vegetable for added substance. Keep the quantities and spices the same so balance remains consistent.
- Swap fresh spinach for an equal amount of chopped frozen spinach—thawed and thoroughly squeezed dry—if fresh isn’t available.
Common troubleshooting
- If your filling seems too runny, press cooked spinach with paper towels to remove excess liquid and drain ricotta slightly.
- If shells tear while filling, work gently and use a spoon to push filling into the shell rather than squeezing with your hands.
- If the top browns too quickly before the filling heats through, loosely cover the dish with foil and continue baking until hot.
Why these flavors work
The bright, fresh notes of the spinach balance the creamy, slightly tangy ricotta. Parmesan brings a savory depth, while the Italian herbs—basil, oregano, and parsley—round out the filling with familiar, comforting flavors. Marinara adds acidity and moisture so each bite is saucy but not soggy. Mozzarella melts into a golden blanket, providing that irresistible pull with every forkful.
Final notes
Ricotta and Spinach Stuffed Shells are versatile, forgiving, and endlessly satisfying. Whether you’re feeding a crowd or making dinner for two with tasty leftovers, this recipe delivers cozy flavors and a homey presence at the table. Follow the step-by-step directions above, and you’ll have a beautiful, cheesy casserole that’s as pleasing to serve as it is to eat. Happy cooking!
Ricotta and Spinach Stuffed Shells
Creamy ricotta and garlic-sautéed spinach are stuffed into jumbo pasta shells, covered in marinara and melted mozzarella for a comforting baked pasta casserole.
Ingredients
Equipment
Method
- Preheat the oven to 350°F (175°C) and lightly spray a 9×13 baking dish with cooking spray; set aside.
- Bring a large pot of salted water to a boil and cook the jumbo shells according to package directions until al dente (about 10–12 minutes). Drain, rinse with cold water, toss with a little olive oil to prevent sticking, and set aside.
- While the pasta cooks, heat 1 tablespoon olive oil in a large skillet over medium heat. Add the minced garlic and fresh spinach and sauté, stirring frequently, until the spinach is wilted and the garlic is fragrant, about 3–4 minutes.
- Remove the skillet from heat and let the spinach cool about 5 minutes. Use paper towels to squeeze out excess moisture, then transfer to a cutting board and finely chop.
- In a large bowl, combine the chopped spinach, ricotta, shredded Parmesan, egg, salt, pepper, dried parsley, dried basil, and dried oregano; stir until evenly mixed and taste to adjust seasoning if desired.
- Spread about 3–4 tablespoons of marinara sauce over the bottom of the prepared baking dish to create a thin layer.
- Fill each cooked jumbo shell with about 1½ tablespoons of the ricotta-spinach mixture and place the filled shells, seam side up, in the baking dish.
- Pour roughly 2 to 2½ cups of the marinara sauce evenly over the filled shells (reserve a bit if desired); then sprinkle the shredded mozzarella evenly on top.
- Bake on the center rack for about 30 minutes, or until the edges are bubbling and the cheese is lightly golden. Rotate the pan halfway through baking for even browning.
- Remove from the oven and let rest a few minutes, then garnish with chopped fresh parsley if desired and serve.
Notes
- Use fresh spinach, not frozen, to avoid excess water in the filling.
- Squeeze cooked spinach well with paper towels to remove moisture.
- You may substitute fresh herbs for dried at about 1½ teaspoons fresh per ½ teaspoon dried.
- If assembling ahead, cover and refrigerate up to 24–48 hours before baking.
- You can freeze assembled shells (without sauce and cheese) in a freezer bag if needed.
