Grape Jelly Meatballs (5-minute Appetizer) - Momsdish All about Amazing Cocktail Meatballs! (Sweet and Sour Meatballs) Preheat oven to 400 degrees. Line a rimmed baking sheet with foil and set a rack on top. Organize meatballs on rack and bake up until browned with crispy edges, about 20 minutes (an