One-Pan Meatball and Pepperoni Pasta Bake

One-Pan Meatball and Pepperoni Pasta Bake 1 box (16 oz) penne pasta 2 jars (24 oz each) chunky marinara sauce 1 cup sliced pepperoni (from 6-oz package) 1 bag (16 oz) frozen cooked Italian-style meatballs (32 meatballs) 2 cups water 1 package (8 oz) shredded Italian cheese blend (2 cups) Heat oven to 350°F. Spray 13 x 9-inch (3-quart) baking dish with cooking spray. In baking dish, mix all ingredients except cheese; mix well. Cover with foil. Bake 55 to 60 minutes or until pasta is tender. Uncover; sprinkle with cheese. Bake uncovered 8 to 10 minutes or until cheese is melted.