2 lb. ground beef
1 large onion, finely chopped
1 medium green pepper, chopped
1 lb. cubed Velveeta cheese
1 lb. cubed pepper Jack cheese
1 (16 oz.) taco sauce
1 (10 oz.) can diced tomatoes and chilies, drained
1 (4 oz.) can mushroom stems
1 (2 oz.) can sliced ripe olives, drained
tortilla chips

In a large skillet, cook beef, onion and green pepper over medium heat until meat is no longer pink; drain. Stir in the cheeses, taco sauce, tomatoes, mushrooms and olives. Cook and stir over low heat until cheese is melted. Serve warm with tortilla chips.