Easy Beef-Stuffed Shells

9 ingredients
3 steps

Ingredients

  • 20 uncooked jumbo pasta shells
  • 1 pound ground beef
  • 1 large onion, chopped
  • 1 carton (15 ounces) ricotta cheese
  • 2 cups shredded Italian cheese blend, divided
  • 1/2 cup grated Parmesan cheese
  • 1/4 cup prepared pesto
  • 1 large egg
  • 1 jar (26 ounces) spaghetti sauce, divided

Directions

  1. 1
    Cook pasta shells according to package directions to al dente; drain and rinse in cold water. In a large skillet, cook beef and onion over medium heat until meat is no longer pink; drain. In a large bowl, combine the ricotta cheese, 1-1/2 cups Italian cheese blend, Parmesan cheese, pesto, egg and half of the beef mixture.
  2. 2
    Spread 3/4 cup spaghetti sauce into a greased 13x9-in. baking dish. Spoon cheese mixture into pasta shells; place in baking dish. Combine remaining beef mixture and spaghetti sauce; pour over shells. Sprinkle with remaining cheese. Cover and refrigerate overnight.
  3. 3
    Remove from the refrigerator 30 minutes before baking. Cover and bake at 350° for 40 minutes. Uncover; bake 5-10 minutes longer or until cheese is melted.

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