Make delicious, hearty Italian Meatball Sandwiches using homemade meatballs (recipe included) or store-bought meatballs (for convenience).
Place ground beef, salt, pepper, garlic powder, oregano, onion and Parmesan in mixing bowl. Stir until combined. Shape mixture into 6 balls, rolling meat between palms of hands to form meatballs.
Heat oil on Medium in large, non-stick skillet. When hot, add meatballs. Cook without moving them, until browned on bottom, then turn, and cook on all sides, until meatballs are browned and cooked through. Transfer meatballs to paper towels to absorb grease.
Place cooked meatballs into skillet filled with marinara sauce. Heat meatballs/sauce when ready to make sandwiches.
Follow instructions on the package for cooking (if small meatballs, you may need 8 (4 per sandwich) to fill the hoagie). Once meatballs are fully cooked, proceed with sauce, and the rest of the recipe.
Melt butter, then stir in garlic powder. Place hoagie rolls on aluminum foil covered baking sheet. Open rolls: try to keep rolls attached in the back. Use a pastry brush to lightly brush garlic butter on insides of each open roll.
Turn on oven broiler. When hot, place hoagies 5-6 inches from broiler's heating element. Broil until buttered hoagies turn golden brown; watch closely so they don't burn. When done, remove from oven. Place three hot meatballs on one side of each toasted hoagie. Spoon a little marinara sauce over the meatballs.
Sprinkle meatballs with shredded (or thinly sliced) mozzarella cheese, to cover. Place sandwiches back under the broiler. Let broil ONLY until cheese has melted.
Remove sandwiches from oven. Place top of hoagie roll on the melted cheese. Transfer sandwiches to serving plates, using a spatula. Serve immediately, while hot! Enjoy!
Italian Meatball Sandwiches https://www.thegratefulgirlcooks.com/italian-meatball-sandwiches/