These sandwiches are so yummy that no one will ever guess they are frozen meatballs. They will also make great appetizers. Use Darlene's Make Ahead Meatballs (Oamc).
- Place meatballs in an ungreased 1 qt baking dish. Combine the next five ingredients; pour over meatballs.
- Cover and bake at 350°F for 1 hour. Serve on rolls.