Handmade italian meatballs

Cutlets and meatballs

1 recipe Mamas Marinara (see below) 1 pound ground beef 12 ounces bulk Italian sausage, hot or sweet ½ cup fine, dry bread crumbs ¼ cup milk 1 egg, slightly beaten ¼ cup fresh Italian parsley, finely chopped ¼ cup freshly grated Parmesan cheese 1 teaspoon dried Italian seasoning 1 teaspoon kosher salt ¼ teaspoon freshly ground pepper 2 tablespoons extra-virgin olive oil