1. Brown the ground beef and add the taco seasoning. Mix well, and strain. 2. Dice tomato, avocado and onion. Crumble Fritos and cut the lettuce into bite size pieces. 3. In a large bowl, add ground beef, lettuce, Fritos, Beans, onions and mix well. 4. Add tomatoes, avocado, sour cream and cheese to the top and let chill for a short time in the fridge. 5. Cover with desired amount of dressing and serve.