Meatballs coated in marinara sauce, smothered with cheese, and sandwiched in brioche rolls are a party-perfect nibble. For tender meatballs, combine the ingredients gently and don't pack the meat too tightly.
Course: Appetizer
Cuisine: American
Keyword: beef, Milk, Parmigiana, Pork, Sliders, Veal
Simmered meatballs can be refrigerated in sauce for up to 3 days. Reheat meatballs in sauce, and assemble sandwiches just before serving.