INGREDIENTS
1/3 cup
bread crumbs
1 large
egg
1/2 cup
fresh flat-leaf parsley
3
garlic cloves
1 1/2 lbs
ground beef
2 tbsp
marinara sauce
16 pieces
mozzarella cheese
1 small
onion
2/3 cup
parmesan cheese
1 pinch
red pepper flakes
4 servings
salt and pepper