Italian Meatball Subs

Ingredients:

MEATBALLS:

2 lbs ground beef
1 cup dry bread crumbs
1 teaspoon garlic powder
1 teaspoon onion powder
1/2 teaspoon black pepper
1 teaspoon salt
1 large egg

SUBS:

8 hot dog buns, split
1/2 cup marinara sauce, warmed
1/4 cup grated Parmesan cheese

Directions: