Heat oven to 400° F.
In large mixer bowl combine sugar, butter, egg, salt, and vanilla. Beat at medium speed, scraping bowl often, until mixture is light and fluffy, 2 to 3 minutes.
Add flour. Beat at low speed, scraping bowl often, until well mixed, 2 to 3 minutes.
Place dough in cookie press. Form desired shapes 1 inch apart on cookie sheets.
Bake for 6 to 8 minutes or until edges are lightly browned.