Ingredients

  • 2 pounds ground beef
  • 1 large onion, chopped
  • 1 garlic clove, minced
  • 1 jar (14 ounces) spaghetti sauce
  • 1 can (14-1/2 ounces) stewed tomatoes
  • 1 can (4 ounces) mushroom stems and pieces, drained
  • 8 ounces uncooked medium pasta shells
  • 2 cups sour cream, divided
  • 6 ounces sliced provolone cheese
  • 6 ounces sliced part-skim mozzarella cheese

Method

  • In a large skillet, cook the beef, onion and garlic over medium heat until no longer pink; drain. Stir in the spaghetti sauce, tomatoes and mushrooms. Bring to a boil. Reduce heat; simmer, uncovered, for 20 minutes.
  • Meanwhile, cook pasta according to package directions; drain and rinse with cold water. Spoon half of shells into an ovenproof Dutch oven. Layer with half of the meat mixture. Spread with 1 cup sour cream; top with provolone cheese. Layer with remaining pasta, meat mixture and sour cream; top with mozzarella cheese.
  • Cover and bake at 350° for 30-40 minutes or until bubbly and heated through.