Ingredients. Sliced provolone cheese Frozen meatballs. Hoagie bread. Marinara sauce.
Preheat oven to 350.
In a skillet heat meatballs and marinara sauce on med/low heat until meatballs are cooked through. Add meatballs and sauce to sub bread. Put sliced cheese on top and heat in oven 10-12 minutes until toasted.
