Shape meatballs fast by using an ice-cream scoop. Or instead of shaping balls at all, pat the mixture into a 9x3-inch rectangle in an ungreased 13x9-inch pan. Cut into 1 1/2-inch squares, and separate slightly. Bake uncovered 25 to 30 minutes.
Shape beef mixture into 1-inch meatballs. Bake 15 to 20 minutes. 3 dozen appetizers.
Substitute 1 lb ground turkey or chicken for the ground beef. (If using ground chicken, decrease milk to 2 tablespoons.) To bake, spray rectangular pan with cooking spray; bake until no longer pink in center and thermometer inserted in center reads 165°F. To cook in skillet, heat 1 tablespoon vegetable oil over medium heat before adding meatballs; cook until no longer pink in center and thermometer inserted in center reads 165°F.
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