1 cup butter
1/2 cup icing sugar
2 cups sifted all-purpose flour
1/4 tsp baking powder
1/4 tsp salt
Mix dry ingredients in a bowl. cream butter and icing sugar and then mix into dry ingredients just until mixed.
In parchment paper roll a cookie log and chill for at least 2 hours.
Remove from fridge and cut in slices.
Bake on an ungreased cookie sheet at 325 degrees Fahrenheit until bottoms are golden brown.