Create the ultimate comfort food experience with these mouthwatering meatball subs! Packed with juicy beef, flavorful herbs, and topped with melty mozzarella, these delicious sandwiches are perfect for any meal. Follow our simple step-by-step recipe to whip up this family favorite in no time. Click through to discover how easy it is to enjoy this hearty dish that will leave everyone asking for seconds!
1 pound ground beef
1/2 cup breadcrumbs
1/4 cup grated Parmesan cheese
1/4 cup fresh parsley, chopped
1 clove garlic, minced
1 egg, beaten
Salt and pepper to taste
2 cups marinara sauce
4 sub rolls
1 cup shredded mozzarella cheese
Olive oil for drizzling