Shells With Meat Sauce Casserole

Prep: 15 min Cook: 30 min Cuisine: Italian

A hearty casserole featuring stuffed pasta shells filled with savory meat mixture, topped with rich spaghetti sauce and optional cheese, perfect for comforting family dinners.

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Ingredients

  • 1/2 package large shells
  • 3 teaspoons margarine
  • 1 1/2 pounds ground beef
  • 1/3 cup minced onion
  • 1/4 cup minced celery
  • 1 small garlic clove minced
  • 1/3 cup Parmesan cheese
  • 1 teaspoon salt
  • 1/3 cup dry bread crumbs
  • 2 pints spaghetti sauce

Instructions

  1. Melt margarine in a skillet.
  2. Add ground beef and brown.
  3. Add minced onion, minced celery, and minced garlic.
  4. Cover and cook until celery is tender.
  5. Remove from heat.
  6. Mix in Parmesan cheese, salt, and bread crumbs.
  7. Stuff each cooled shell with the meat mixture.
  8. Pour one jar of spaghetti sauce into a casserole dish.
  9. Arrange the stuffed shells in the casserole.
  10. Pour the second jar of spaghetti sauce over the shells.
  11. Cover and bake at 350°F for 30 minutes.
  12. Optional: Top with shredded mozzarella cheese before serving.

Tips & Substitutions

For a richer flavor, consider using ground turkey or sausage as a substitute for ground beef. You can also add diced bell peppers or mushrooms to the meat mixture for extra texture and flavor. If you're short on time, use pre-made spaghetti sauce or even marinara. Make sure to cook the shells al dente, as they will continue to cook while baking.

Serving Suggestions

Serve the casserole hot, optionally topped with shredded mozzarella cheese for a melty finish. This dish pairs beautifully with a side salad or garlic bread for a complete meal. For a hearty addition, consider serving alongside Italian-Style Minestrone for a comforting dinner experience.

Storage & Reheating

Leftover shells can be stored in an airtight container in the refrigerator for up to 3 days. To reheat, place them in a baking dish, cover with foil, and warm in a preheated oven at 350°F for about 20 minutes, or until heated through. You can also microwave individual portions for a quicker option.

Nutrition & Diet Analysis (per serving)

Each serving of Shells With Meat Sauce Casserole contains roughly 477 calories, with 15g protein, 40g carbohydrates, and 30g fat. It is an excellent source of protein (30% of the Daily Value), and a good source of dietary fiber and calcium. Note that it is relatively high in sodium, at 2806mg per serving (122% of the Daily Value).

477 kcal 24% DV
Protein Fat Carbs

Macronutrients

Protein 14.9g 30% DV
Total Fat 29.5g 38% DV
Carbs 40g 15% DV
Fiber 5.3g 19% DV
Sugar 5.7g 11% DV

Electrolytes

Sodium 2805.9mg 100% DV
Potassium 724mg 15% DV
Cholesterol 15.9mg 5% DV

Vitamins & Minerals

Vitamin A 56.4mcg 6% DV
Vitamin C 10.7mg 12% DV
Vitamin D 0.1mcg
Calcium 240.9mg 19% DV
Iron 3.3mg 18% DV
Diet fit High-fiber
Contains Milk Wheat/Gluten

Estimated from ingredients & per-serving nutrition — verify against package labels for allergies or strict diets.

* % Daily Values based on a 2,000 calorie diet (FDA 2020).

Frequently Asked Questions

Can I freeze the stuffed shells before baking?

Yes, you can freeze the stuffed shells before baking. Assemble the casserole as directed, but do not bake. Instead, cover it tightly with plastic wrap and then with aluminum foil. It can be frozen for up to 3 months. When ready to bake, thaw in the refrigerator overnight and bake as directed.

What type of cheese is best for stuffing the shells?

While Parmesan cheese is traditional, you can mix in ricotta or cottage cheese for a creamier stuffing. A blend of mozzarella and cheddar can also be used for added flavor. Feel free to experiment with different cheeses to suit your taste preferences.

How can I make this dish vegetarian?

To make a vegetarian version, substitute the ground beef with a mixture of cooked lentils, mushrooms, or plant-based meat alternatives. You can also add finely chopped vegetables like spinach or zucchini to the stuffing for more nutrition and flavor, making it a delicious option for meatless meals.

Nutrition is estimated from USDA FoodData Central ingredient data and may vary with brand, portion and preparation — see our methodology. This information is for general educational purposes only and is not medical or dietary advice (disclaimer).

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