Meatball and Marinara Subs - Rothliving

Ingredients

• 1 pound lean ground beef
• 1 pound Italian sausage, casings removed if necessary
• 1/2 small onion, grated
• 1/2 cup panko breadcrumbs, GF works great
• 1/4 cup whole milk
• 1 large egg
• 1/4 cup freshly grated Parmesan
• 1/4 cup chopped fresh parsley leaves
• 2 cloves garlic, minced
• 2 Tablespoons chopped fresh basil
• 1 teaspoon salt
• freshly ground black pepper, to taste
• 1/4 cup olive oil
• 4–5 cloves garlic, thinly sliced
• 1/2 teaspoon red pepper flakes, or more to taste
• 1 28-ounce can fire-roasted crushed tomatoes (see Chef’s Note)
• 3 large sprigs of basil, about 15 leaves total
• 6 French hoagie-style rolls, cut in half
• 6 Tablespoons softened butter
• 1 clove garlic, mashed to a paste with 1/4 teaspoon salt
• 10 ounces mozzarella cheese, shredded or thinly sliced
• 6 Tablespoons grated Parmesan