- In a large mixer bowl at medium speed, beat butter and sugar.
- Beat in eggs and vanilla.
- Mix flour and baking powder and stir into butter mixture.
- Divide dough into thirds; shape into balls and flatten slightly; wrap in plastic and refrigerate for 3 hours or overnight.
- Roll into ⅛" thickness and cut.
- Bake at 375°F for 6 minutes or almost lightly browned.
- Cool and decorate with xmas icing.