CookLibrary is a recipe curation and editorial platform. We research and curate recipes from public sources, considering ratings, reviews, comments, and feedback. We then refine and present them clearly for home cooks. We are committed to an ad-free, focused experience that makes discovering and preparing recipes easier.

These crockpot stuffed shells turn a classic cheesy pasta dish into an easy slow-cooked meal.
Jumbo pasta shells are filled with a creamy mixture of ricotta, spinach, mozzarella, Parmesan, eggs, and Italian-inspired seasonings, creating a rich filling that becomes tender and flavorful as everything cooks together.
The filling combines the mild creaminess of ricotta with finely prepared baby spinach, while mozzarella adds a smooth, cheesy texture and Parmesan brings a deeper savory flavor.
Italian seasoning, onion powder, garlic powder, black pepper, and kosher salt round out the mixture without overpowering the cheese or pasta.
Each shell is filled before being arranged in a 6-quart slow cooker and covered generously with pasta sauce.
Marinara is suggested in the original recipe, though herb and garlic or rose sauce can also be used.
As the shells cook, the sauce surrounds the pasta while the cheese melts into the filling, resulting in tender stuffed shells layered beneath a blanket of sauce and melted mozzarella.
A final sprinkle of Parmesan adds another layer of cheesy flavor before serving.
The preparation takes only 20 minutes, making this a convenient option when you want a comforting pasta dinner without spending hours at the stove.
Piping the ricotta mixture into the uncooked shells is also recommended as an easier way to fill them while helping prevent the shells from cracking.

Cheesy Ricotta Stuffed Shells
Ingredients
Equipment
Method
- Prepare the Cheese Filling: Combine the ricotta cheese, steamed and thoroughly squeezed-dry spinach, ½ cup of the shredded mozzarella, ¼ cup of the grated Parmesan, lightly beaten eggs, Italian seasoning, kosher salt, onion powder, garlic powder, and black pepper in a small bowl. Stir until the ingredients are evenly combined.
- Fill the Pasta Shells: Spoon or pipe the prepared cheese mixture into the raw jumbo pasta shells. Piping is the easiest method, but spooning can also be used carefully to avoid cracking the shells.
- Sauce the Slow Cooker: Spread ½ cup of the pasta sauce across the bottom of a 6-quart slow cooker.
- Arrange the First Layer: Place the filled shells in a single layer over the sauce in the bottom of the slow cooker.
- Add More Sauce: Pour 1 cup of pasta sauce over the first layer of stuffed shells, spreading it across the shells.
- Build the Second Layer: Arrange the remaining stuffed shells in the slow cooker, then cover them evenly with the remaining pasta sauce.
- Add the Mozzarella: Sprinkle the remaining shredded mozzarella over the sauced shells.
- Slow Cook the Shells: Cover the slow cooker and cook on high for 3–4 hours or on low for 5–6 hours, until the shells are cooked through and tender.
- Finish with Parmesan: Remove the slow cooker lid and sprinkle the remaining grated Parmesan over the cooked stuffed shells.
- Serve: Serve the stuffed shells warm, garnished with parsley if desired.
Notes
- Steam the baby spinach first, then drain and squeeze it thoroughly dry before mixing it into the ricotta filling.
- The recipe uses raw jumbo pasta shells, so handle them gently when filling to help prevent cracking.
- Piping the filling into the shells is the easiest method according to the source.
- Divide the mozzarella and Parmesan as directed so enough cheese remains for the final topping.
- Marinara, herb and garlic, or rose pasta sauce can be used.
- Follow the slow-cooking time according to the selected setting: 3–4 hours on high or 5–6 hours on low.
- Parsley can be used as an optional garnish when serving.
Chef’s Secret
The most useful technique for these stuffed shells is piping the ricotta mixture into the uncooked shells rather than trying to force the filling in with a spoon.
Transfer the prepared filling into a piping bag, then gently squeeze it into each shell without overfilling or pressing too firmly against the pasta.
This gives you better control over the amount of filling and helps reduce the chance of cracking the shells.
Since the spinach must be steamed, drained, and squeezed dry before mixing, take care to remove as much excess moisture as possible.
A wetter filling can make the mixture harder to pipe neatly. Working gently with the raw shells keeps them intact so they can hold the creamy filling during slow cooking.
Serving Suggestions
Serve these cheesy stuffed shells warm with a simple green salad or steamed vegetables for a balanced meal.
Garlic bread or crusty bread makes a practical accompaniment for scooping up the extra pasta sauce.
For serving, finish the shells with a little chopped parsley if desired.
Extra Parmesan can also be offered at the table for those who want a more pronounced cheesy finish.
Conclusion
These Crockpot Stuffed Shells bring together tender jumbo pasta, creamy ricotta, spinach, melted mozzarella, Parmesan, and flavorful pasta sauce in one comforting dish.
The slow cooker keeps the preparation straightforward while allowing the stuffed shells to cook until tender.
With only 20 minutes of preparation, this recipe is a convenient choice for a hearty pasta meal that can be finished with parsley and served warm.

