# Ingredient List:
→ Meatballs
01 - 1 lb ground beef
02 - ½ lb ground pork
03 - 1 large egg
04 - ½ cup breadcrumbs
05 - 2 tablespoons milk
06 - 2 tablespoons grated Parmesan cheese
07 - 2 cloves garlic, minced
08 - 1 tablespoon fresh parsley, chopped
09 - 1 teaspoon dried oregano
10 - 1 teaspoon salt
11 - ½ teaspoon black pepper
→ Marinara Sauce
12 - 2 cups marinara sauce
13 - 1 tablespoon olive oil
14 - 1 small onion, finely chopped
15 - 2 cloves garlic, minced
→ Assembly
16 - 4 long sandwich rolls (sub or hoagie rolls)
17 - 8 slices provolone cheese
18 - 1 tablespoon butter (optional, for toasting)
19 - Fresh basil or parsley, for garnish (optional)
# Cooking Directions:
01 - Preheat the oven to 400°F.
02 - Combine ground beef, ground pork, egg, breadcrumbs, milk, Parmesan, minced garlic, parsley, oregano, salt, and black pepper in a large bowl; mix until just incorporated.
03 - Shape mixture into 16 uniform meatballs, approximately 1¼ inches in diameter.
04 - Place meatballs on a parchment-lined baking tray and bake for 15 to 18 minutes until browned and cooked through.
05 - Heat olive oil in a saucepan over medium heat. Add chopped onion and cook until soft, about 3 minutes. Stir in minced garlic and cook for another minute.
06 - Pour in marinara sauce and bring to a gentle simmer.
07 - Add baked meatballs to the simmering sauce and cook gently for 10 minutes, stirring occasionally.
08 - If desired, slice sandwich rolls lengthwise, lightly butter the insides, and toast under the broiler or in a pan until golden.
09 - Place four meatballs with sauce into each roll. Top each sandwich with two slices of provolone cheese.
10 - Arrange the assembled sandwiches on a baking tray and broil for 2 to 3 minutes until cheese is melted and bubbly.
11 - Garnish with fresh basil or parsley and serve immediately.
