Brown 2-1/2 pounds of ground beef and 1 large onion (chopped). Drain grease and then add 2 packets Taco Seasoning mix and 3/4 cup of water and simmer for 5 minutes. Put 1/3 bag of Fritos on bottom of Dutch Oven and cover with half of the meat mixture. Add 1 can kernel corn (drained) and 1 can kidney beans, then 1 can Mexican tomatoes. Form another layer with the same ingredients. Top with the remaining Fritos and 2 small cans black olives (drained). Cover with 12 oz of grated cheddar cheese. Heat in coals until cheese is melted.