Use up leftover meatballs and marinara sauce in this quick and easy meal!
- Preheat oven to 400 degrees.
- Lay three meatballs in each sub roll. Top each sub with ¼ cup of marinara sauce and evenly distribute the cheese on top.
- Bake the subs at 400 degrees for 15 minutes, until the cheese is bubbly, the buns are slightly toasted and the meatballs are warmed through.