Lasagna in a Bun Recipe Type: Sandwich Cuisine: American Author: Prickly Gourmet Prep time: 15 mins Cook time: 25 mins Total time: 40 mins Serves: 6 servings Ingredients 1/2 pound ground beef 1 medium onion diced 1 (8 ounces) can tomato sauce 1 teaspoon Italian seasoning, divided 1/2 teaspoon salt 1 cup shredded mozzarella cheese,