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How to make Meatball Subs:
Preheat the broiler. Place a new piece of foil on the baking sheet.
Lay out the hoagie rolls, and split them open-faced. Spread a little marinara sauce on each roll, and then place four meatballs on each roll. Drizzle on a little more marinara. Then sprinkle with mozzarella and Parmesan cheeses.
Broil until the cheese is melted. Sprinkle a little chopped fresh parsley on top, if desired.
Time to eat! These meatball subs are so delicious with the homemade meatballs. But if you’re looking to make them super easy and quickly, you can certainly use frozen (thawed) meatballs instead.
Meatball subs are kid friendly, and they are perfect for a Game Day or a gathering of friends. Everyone loves these classic warm sandwiches!