minced beef - 500 g (for meatballs)
lard - watch the video to see (for meatballs)
salt - 6-7 g (for meatballs and sauce)
crustless toast bread - 100 g (for meatballs, processed)
garlic - 1 clove (clove, for meatballs)
parsley - 2 tablespoons (fresh, chopped, for meatballs)
dried oregano - 1 teaspoon total (0.5 tsp each) (for meatballs and sauce)
onion - 0.5 medium (half, grated for meatballs and sauce)
egg - 1 (medium, for meatballs binding)
olive oil - 6 tablespoons total (4 tbsp for frying, 2 tbsp for sauce) (for meatballs frying and sauce)
butter - 1 tablespoon (for frying meatballs)
pepper - watch the video to see (freshly ground, to taste)
grated tomatoes - 500 g (for tomato sauce)
granulated sugar - 1 teaspoon (for tomato sauce)
fresh basil - 2 tablespoons chopped + 12 leaves for sandwich (for tomato sauce and garnish)
ciabatta bread - 5 pieces (for sandwiches)
grated parmesan - 5 tablespoons (for topping sandwiches)
mozzarella - 250 g (sliced, for sandwiches)
olive oil - watch the video to see (for serving)
freshly ground pepper - watch the video to see (for serving)