1 c. powdered sugar
2 c. butter (1 lb. real butter)
2 tsp. vanilla
4 c. flour
1/2 tsp. salt
1/2 tsp. baking powder

Combine first 3 ingredients and work with hands until soft, about 20 minutes. Add remaining ingredients and make into roll. Put in the refrigerator for 3-4 hours. Slice 1/2 inch thick. Bake at 375 degrees for 15 minutes or until golden brown. When cool, sprinkle with powdered sugar.