In a large skillet, brown your hamburger until it's no longer pink. Drain any fat using a measuring cup or spoon.
Drain your kidney beans.
Add in your kidney beans and chili beans. Simmer for 5 minutes.
In a large bowl, combine the lettuce, tomatoes, cheese, and beef with broken up Doritos. You could also do individual bowls like we do!
You can top with sour cream, salsa, or my favorite - French dressing when you serve it.