Remove baked meatloaves from muffin cups; cool, then freeze in single layer on baking sheet until firm. Transfer to airtight container; freeze up to 4 weeks. When ready to serve, thaw desired number of meatloaves in refrigerator overnight, then microwave until heated through. Or, place frozen meatloaves on baking sheet and bake in 375°F oven 20 min. or just until warmed.