1 pkg. taco seasoning mix
1/2 c. oil
1/2 c. vinegar
1/4 to 1/2 lb. hamburger
Lettuce, broken into pieces
1/4 c. chopped onion
1 to 2 chopped tomatoes
1/4 lb. shredded cheese
1 c. drained kidney beans
1 to 2 c. crushed corn chips
Sliced ripe olives

Mix taco seasoning, oil, and vinegar and set aside for dressing. Brown and drain hamburger. Mix with remaining ingredients, adding dressing just before serving. Serve with sour cream if desired.