1 lb. ground beef
1 lg. onion, chopped
1 c. water
1 env. taco seasoning
1 pkg. tortilla chips
1/2 head lettuce, shredded
2 med. tomatoes, chopped
1 can sliced ripe olives
1 c. shredded cheddar cheese
2/3 c. sour cream

Cook and stir ground beef and onion; drain. Stir in water and seasoning mix. Simmer uncovered, stirring occasionally, 10 minutes. Spoon beef mixture onto chips.

Top with remaining ingredients.