1. Preheat oven to 350 degrees F.
2. Cream together butter and sugar; add vanilla, flour, and potato chips.
3. Drop by 1/2 tsp.
4. on ungreased cookie sheet.
5. Bake 10-12 minutes.
6. (For softer cookies, bake only 7 minutes).
7. Cool on cookie sheet before transfering to a cookie rack.