Stuffed Shells Recipe - Kristine's Kitchen (2024)

See my guide on how to use an Instant Pot.

In this Stuffed Shells recipe, jumbo pasta shells are filled with spinach and cheese, topped with marinara sauce and then baked until hot and bubbly. This recipe is quick to prep and perfect for making ahead.

Love baked pasta recipes? You might also enjoy this Lasagna Recipe, Baked Rigatoni and Homemade Mac and Cheese.

Stuffed Shells Recipe - Kristine's Kitchen (1)

Why You’ll Love this Stuffed Shells Recipe

  • FOUR Cheese Filling. These shells are stuffed with spinach and 4 types of cheese, so they’re ultra cheesy and flavorful.
  • Easy to Make. Making stuffed shells may seem intimidating, but I promise you it’s so easy! Each step is simple, and the active prep time is less than 30 minutes.
  • Meatless Comfort Food. When I think of comfort food, recipes like Chicken Pot Pie and Meatloaf often come to mind. But this stuffed shells recipe is here to prove that vegetarian meals can be every bit as satisfying and delicious (also try these Lasagna Roll Ups).
  • Perfect for Making Ahead. These stuffed shells freeze wonderfully, so you can make a big batch and freeze some for later. You can also prep them a day ahead of time and refrigerate until you’re ready to bake.

Second time I have made this recipe and the whole family loves it. So easy and delicious. Love all your recipes!

Christine
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Ingredients

  • Frozen Spinach: Frozen spinach is convenient to keep on hand and easy to thaw (see my tips below). If you want to use fresh spinach, you’ll need to first wilt the spinach in a skillet with a little olive oil over low heat. Then squeeze out all excess moisture before adding the spinach to the filling.
  • Jumbo Pasta Shells: When cooking the shells, use the minimum cook time listed on the package. You don’t want to overcook the shells or they may fall apart.
  • Ricotta Cheese: A classic stuffed shells ingredient.
  • Cottage Cheese: Lightens up the cheese filling.
  • Mozzarella Cheese: Melts wonderfully. You’ll use shredded mozzarella both in the stuffed shells filling and on top of the pasta bake.
  • Parmesan Cheese: Grated Parmesan adds nutty, complex flavor.
  • Italian Seasoning, Salt and Pepper: To season the cheese filling.
  • Marinara Sauce: I usually use a jar of store-bought sauce to save time. If you prefer homemade, you’ll love this Marinara Sauce recipe.

To Thaw Frozen Spinach

  • Refrigerator Method: Allow about 24 hours for the spinach to thaw in the refrigerator. Place the spinach in a bowl to catch any liquid.
  • Microwave Method: Place frozen spinach in a bowl and thaw in 1-2 minute increments using the defrost setting of a microwave, stirring after each increment.
  • Cold Water Method: Put the frozen spinach in a zip-top bag and defrost it under cold running water, or place it in a bowl of cold water (place a glass bowl on top to weigh it down), until thawed.

How to Make Stuffed Shells

Here is an overview of the steps to make this recipe. Find the full printable recipe with ingredient amounts below.

Cook the pasta shells in a pot of boiling, salted water. Then drain and place on a baking sheet to cool.

Squeeze out the spinach. Wrap it in a clean kitchen towel and squeeze out all excess liquid.

Make the spinach and cheese filling. In a mixing bowl, stir together the cheeses, Italian seasoning, salt, pepper and spinach.

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Fill the pasta shells. Spread 1 cup of marinara sauce over the bottom of the baking dish. Spoon the filling into the shells and place in the baking dish.

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Top with marinara sauce and mozzarella.

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Bake until the shells are hot and the cheese is melted.

Then serve and enjoy! I like to serve these with Garlic Bread and an Italian Salad.

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Make Ahead and Freezer Instructions

  • To Freeze: Place the shells in a baking dish and top with the marinara sauce and mozzarella cheese. Once completely cool, cover the dish with a lid or wrap tightly with foil and freeze. The unbaked shells can be frozen for up to 2 months.
  • To Refrigerate: You can prepare the shells in advance and refrigerate them in a covered baking dish for up to one day before baking. You may have to bake the shells for 5-10 additional minutes if they are cold from the refrigerator.
  • To Bake Frozen Shells: To bake the shells frozen, directly from the freezer, add about 15-20 minutes to the covered bake time. Bake until the filling is hot and the sauce is bubbly. If you plan to freeze the shells, you may want to add some additional sauce on top to keep the shells from drying out during the longer bake time.

Stuffed Shells Recipe Variations

  • To make stuffed shells with meat, cook 1 pound of ground beef or sausage in a skillet. Add half of the meat to the filling and the other half to the marinara sauce. You may want to reduce the amount of ricotta cheese and/or cottage cheese so that you don’t have too much filling.
  • Not a fan of cottage cheese? You can substitute it with more ricotta cheese.
  • If you don’t care for spinach you can leave it out of the recipe.
  • Also try these Butternut Squash Stuffed Shells.
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More Favorite Pasta Recipes

  • Baked Spaghetti
  • One Pot Pasta
  • Baked Ziti
  • Cajun Chicken Pasta
  • Manicotti

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5 from 3 ratings

Stuffed Shells Recipe

Servings: 6 servings

Prep Time: 25 minutes mins

Cook Time: 35 minutes mins

Total Time: 1 hour hr

In this Stuffed Shells recipe, jumbo pasta shells are filled with spinach and cheese, topped with marinara sauce and then baked until hot and bubbly. Bake them right away or freeze for later. Freezer and make ahead directions are in the notes below.

Print Recipe Leave a Review Pin Recipe

Ingredients

  • 6 ounces frozen chopped spinach, thawed*
  • 24 jumbo pasta shells
  • 15 ounces part-skim ricotta cheese
  • ¾ cup cottage cheese, full fat or low fat
  • 1 ½ cups shredded mozzarella cheese, 6 ounces, divided
  • cup grated Parmesan cheese
  • ½ teaspoon Italian seasoning
  • ¼ teaspoon salt
  • teaspoon black pepper
  • 25 ounce jar marinara sauce

Instructions

  • Bring a large pot of water to a boil. Add ½ teaspoon salt and the jumbo shells. Cook according to package directions for al dente. Be careful not to overcook the shells or they may fall apart as you fill them. Drain and place on a rimmed baking sheet to cool.

  • Wrap the thawed spinach in a clean kitchen towel and squeeze out all excess liquid over a bowl or the sink. Set aside.

  • Preheat oven to 350° F.

  • In a medium bowl stir together the ricotta, cottage cheese, half of the mozzarella, the Parmesan, Italian seasoning, salt, and pepper. Stir in the spinach.

  • Spread 1 cup of the marinara sauce over the bottom of a 9×13-inch baking dish.

  • Spoon the filling into the pasta shells and place in the baking dish.

  • Pour the remaining marinara sauce over the top, and sprinkle with the remaining mozzarella cheese. Cover with foil (spray the underside of the foil with cooking spray to prevent it from sticking to the cheese) and bake for 25 minutes, then uncover and bake for 10 minutes more until cheese is melted and shells are hot. Serve.

Notes

  • To thaw frozen spinach: (1) Refrigerator Method: Allow about 24 hours for the spinach to thaw in the refrigerator. Place the spinach in a bowl to catch any liquid. OR (2) Microwave Method: Place frozen spinach in a bowl and thaw in 1-2 minute increments using the defrost setting of a microwave, stirring after each increment. OR (3) Cold Water Method: Put the frozen spinach in a zip-top bag and defrost it under cold running water, or place it in a bowl of cold water (place a glass bowl on top to weigh it down), until thawed.
  • To make stuffed shells with meat: Cook 1 pound of ground beef or sausage in a skillet. Add half of the meat to the filling and the other half to the marinara sauce. You may want to reduce the amount of ricotta cheese and/or cottage cheese so that you won’t have too much filling.
  • You can substitute ricotta cheese for the cottage cheese.
  • To Make Ahead: Shells can be prepared up to the baking step a day in advance. Cover and refrigerate until ready to bake and serve. You may have to add 5-10 minutes to the baking time for refrigerated shells.
  • To Freeze: You can freeze the shells before baking for up to 2 months. Cover the dish with a lid or wrap tightly with foil and then place in freezer. Thaw in the refrigerator for a day before baking as directed above, or follow the directions below to bake from frozen.
  • To Bake Frozen Shells: You can bake the shells frozen, directly from the freezer. Frozen shells will take about 15-20 additional minutes of covered bake time. They are done when they are hot and bubbly. If you are baking shells straight from the freezer, you may want to add some additional sauce to keep the shells from drying out during the longer bake time. The sauce can be poured on the shells before or after freezing.

Serving: 4stuffed shells, Calories: 387kcal, Carbohydrates: 37g, Protein: 25g, Fat: 16g, Saturated Fat: 9g, Polyunsaturated Fat: 1g, Monounsaturated Fat: 4g, Cholesterol: 53mg, Sodium: 1124mg, Potassium: 670mg, Fiber: 4g, Sugar: 6g, Vitamin A: 4385IU, Vitamin C: 10mg, Calcium: 468mg, Iron: 3mg

Nutrition information is an estimate.

Cuisine: Italian

Course: Main Dish

Tried this recipe?Mention @kristines_kitchen on Instagram or tag #kristineskitchenblog.

Recipe updated 8/27/23 to make a smaller quantity of shells.

This site contains affiliate links. If you make a purchase through these links, I may receive a small commission, at no extra cost to you. Thank you for supporting Kristine's Kitchen!

Stuffed Shells Recipe - Kristine's Kitchen (2024)

FAQs

Should I defrost frozen stuffed shells before baking? ›

The pasta shells can be pulled from the freezer and go right into the oven after just adding some prepared spaghetti sauce (a staple in my house) and cheese. Sixty minutes later they are ready to serve.

Why do stuffed shells get watery? ›

Stuffed shells can get watery for a few different reasons. One reason could be that the shells were not cooked long enough and they released water while cooking. Another reason could be that the filling was too wet, which made the shells soggy.

What should the internal temp of stuffed shells be? ›

Place stuffed shells in baking pan and completely cover with sauce. 5. Cover pan loosely with tin foil and bake for 45 minutes or until internal temperature reaches 160°F for 15 seconds.

Can you microwave frozen stuffed shells? ›

Yes, it is possible to cook frozen stuffed shells in the microwave, but it may result in a different texture compared to baking. To microwave frozen stuffed shells, place them in a microwave-safe dish, cover with a microwave-safe lid or plastic wrap, and cook on high power for 5-7 minutes per shell.

Can uncooked stuffed shells be frozen? ›

Yes, you can freeze stuffed shells or similar pasta for future use. To thaw them, simply transfer them from the freezer to the refrigerator and let them thaw overnight. Once thawed, you can cook them as you normally would, following the original recipe instructions.

Do frozen stuffed shells go bad? ›

If you can't eat the extra stuffed shells so soon, put them in the freezer set at 0 degrees Fahrenheit and they will stay fresh for four months. Freezing food can preserve leftovers for longer, but the flavor and texture will start to diminish.

Why are my stuffed shells hard? ›

Don't Overcook the Pasta Shells!

Do not, I repeat, DO NOT over cook your pasta shells. In fact, I want you to undercook them! Boil them in a large pot of salt water for exactly 5 minutes, then drain them well and gently pat them dry. The shells will still be relatively hard, but just soft enough for you to stuff them.

How long does it take for stuffed shells to go bad? ›

Like most leftovers, your stuffed shells should last for three to four days in a fridge set at 40 degrees Fahrenheit or lower . If you can't eat the extra stuffed shells so soon, put them in the freezer set at 0 degrees Fahrenheit and they will stay fresh for four months.

Can stuffed shells be left out overnight? ›

Can Stuffed Shells Be Left Out Overnight? I wouldn't recommend eating these (or any) stuffed shells if they've been left out overnight. Bacteria grows rapidly at room temperature, and eating these after they've been out for more than two hours can make you sick.

What goes good with stuffed shells? ›

I often serve these stuffed shells with my Homemade Caesar Salad, but my Arugula Salad, Beet Salad, or Simple Green Salad would also pair well with this recipe. And when it comes to bread, you really can't go wrong! Stick with a crusty loaf, or make rosemary focaccia, garlic knots, or dinner rolls. Enjoy!

How long can you keep stuffed shells in fridge before cooking? ›

Making in Advance and Refrigerating

To store this (uncooked) stuffed shell recipe in the refrigerator, prepare according to recipe instructions then cover the pan tightly with plastic wrap or foil. You may refrigerate for up to three days before baking according to recipe instructions.

Do stuffed shells reheat well? ›

These easy Stuffed Shells are the perfect dinner and a family favorite. Filled with three kinds of cheese and baked in Marinara Sauce, it's quick to prepare and leftovers keep and reheat beautifully. Watch the video tutorial and see how easy it is to make ricotta-stuffed pasta shells.

Can I freeze ricotta cheese? ›

If you have an unopened container of ricotta, you can stick the whole thing right in the freezer, but if the package has been opened, you have to transfer the cheese to a new container. Use a clean, airtight container or freezer bag to prevent freezer burn and bacterial contamination.

How long to reheat stuffed shells in oven at 350? ›

STUFFED SHELLS-350* OVEN, UNCOVERED FOR 40-45 MINUTES. MANICOTTI-350* OVEN, UNCOVERED FOR 30-35 MINUTES. SIDES: GREEN BEANS-350* OVEN, ADD A BIT OF WATER TO BOTTOM OF PAN, COVERED FOR 20-25 MINUTES.

How do you heat frozen stuffed shells? ›

Place the dish in the preheated oven and bake according to the package instructions. Typically, frozen stuffed shells require around 30-40 minutes to cook through. After the recommended baking time, remove the foil and continue baking for an additional 5-10 minutes, or until the cheese on top turns golden and bubbly.

Can you bake stuffing from frozen? ›

To cook frozen stuffing: Bake the stuffing in a casserole dish, baking dish, or large skillet directly from the freezer covered for one hour in a preheated oven at 350º F. Uncover, increase the temperature to 400º F, and bake for 15 to 20 minutes more, until hot throughout and golden-brown and crispy on top.

Should stuffed shells be cooked before freezing? ›

2Should I cook Stuffed Shells before freezing? I don't recommend cooking the shells before freezing. Freeze them right BEFORE cooking (see instructions above).

How should you properly thaw frozen items before cooking? ›

  1. Thaw food in a refrigerator at 40°F or below. This is one of the safest ways to thaw foods. ...
  2. Use a microwave to thaw foods that are to be cooked immediately. following the thawing process. ...
  3. Frozen foods can also be thawed as part of the cooking process. ...
  4. Another way to thaw frozen foods is under running water with.

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