Preheat oven to 350 degrees. Reheat meat and re-fried beans. In a 9x13 pan spread re-fried beans in even layer. Top with broken taco shells or tortilla chips to make a single layer. Top with seasoned taco meat. Sprinkle onions and tomato over meat. Top with cheese and finally olives. Bake uncovered for 20-25 minutes or until cheese is melted and bubbly. Serve with favorite salsa, guacamole, sour cream or all three!