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A baking dish filled with cheesy Spinach and Ground Beef Stuffed Shells in red sauce.

Spinach and Ground Beef Stuffed Shells

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Prep Time 20 minutes
Cook Time 40 minutes
Total Time 1 hour
Servings 6 servings
Calories 580 kcal

Ingredients
  

  • 12 ounces jumbo pasta shells
  • 1 pound ground beef
  • 10 ounces frozen spinach, thawed and squeezed dry
  • 15 ounces ricotta cheese
  • 2 cups shredded mozzarella cheese, divided
  • 1/2 cup grated parmesan cheese
  • 1 large egg , lightly beaten
  • 24 ounces marinara sauce
  • 2 cloves garlic , minced
  • 1 teaspoon dried oregano
  • 1/2 teaspoon kosher salt
  • 1/4 teaspoon ground black pepper

Instructions
 

  • Preheat oven to 375 degrees Fahrenheit.
  • Boil jumbo shells in a large pot of salted water according to package instructions for al dente; drain and set aside on parchment paper to prevent sticking.
  • In a large skillet over medium-high heat, brown the ground beef until no longer pink; drain excess grease.
  • Add minced garlic to the skillet and cook for 1 minute until fragrant.
  • In a large bowl, combine the cooked ground beef, spinach, ricotta, 1 cup of mozzarella, parmesan, egg, oregano, salt, and pepper.
  • Spread 1 cup of marinara sauce across the bottom of a 9x13 inch baking dish.
  • Fill each pasta shell with approximately 2 tablespoons of the beef and cheese mixture and arrange them in the baking dish.
  • Pour the remaining marinara sauce over the shells and sprinkle with the remaining 1 cup of mozzarella.
  • Cover the dish with aluminum foil and bake for 20 minutes.
  • Remove the foil and continue baking for 15 to 20 minutes until the cheese is melted and bubbly.