From the freezer
Seal baked and cooled meatballs in a plastic bag. Freeze up to 2 months. Heat in your favourite pasta sauce. Toss with pasta.
For meat loaf, press reserved meat mixture in a 9×5-inch (2-L) loaf pan. Bake in centre of preheated 375F (190C) oven until a thermometer inserted in centre reads 160F (70C), 50 to 60 minutes. Let stand 5 minutes before slicing.
Serve a hero meatball sandwich on a toasted baguette loaded with roasted peppers, sliced tomatoes, onions and grated cheese.