Family Tested & Approved
Beat butter, sugar, eggs and vanilla.
Blend in flour and baking powder.
Chill at least 1 hour, but best overnight.
Heat oven to 375 degrees.
Roll dough to 1/8" thick. Cut with cookie cutter, place on cookie sheet. Decorate with sprinkles.
Bake 6-8 minutes. Cool on pan for 2 minutes. The remove to wire rack to cool completely.