01 -
Combine cooked meatballs and marinara sauce in a small saucepan. Bring to a gentle simmer over medium heat.
02 -
Place hoagie rolls in preheated oven and toast until golden and crispy on the outside.
03 -
Place 3 heated meatballs into each toasted roll, spooning additional sauce over the top.
04 -
Sprinkle with fresh chopped parsley if desired and serve immediately while hot.