3 mini meatball heroes Recipes

onion, halved and sliced, yellow bell pepper , ribs and seeds removed, cut into 1/2-inch-wide strips, zucchini , halved crosswise then lengthwise and cut into 1/2-inch-wide strips, olive oil, dried oregano, balsamic vinegar, coarse salt, frozen mini meatballs (mini meatballs), hoagie rolls, split

onion, grated, fresh parsley, chopped, egg, ketchup, garlic cloves, minced, salt, ground black pepper, parmesan cheese, dried breadcrumbs, ground beef, ground veal, ground pork, olive oil, marinara sauce, italian rolls, split, warm, freshly grated parmesan cheese, sliced provolone cheese