Skillet Lasagna Ingredients 1 28-oz can diced tomatoes 1 tablespoon olive oil 1 medium onion, minced 1/2 teaspoon salt 3 garlic cloves, minced 1/8 teaspoon red pepper flakes 1 pound meatloaf mix (ground beef, pork and veal) 10 lasagna noodles, broken into 2-inch pieces 1 8-oz can tomato sauce 1/2 cup plus 2 tablespoons