Cream together butter and sugar with an electric hand mixer or stand mixer. Add in egg and vanilla and mix until well combined.
Add flour mixture, mix well.
Roll dough into a log wrapped in plastic wrap, allow to chill for at least 2 hours or until dough is firm.
Slice cookie log into ¼" to ½" slices and place on cookie sheet.
Bake at 350 degrees for 8-12 minutes (10 was perfect for us).
Video
Notes
Yields about 3 dozen cookies. Calories are automatically generated. For best results calculate based on your exact ingredients.This recipe is adapted from the official Publix sugar cookie recipe.