1 c. butter, softened (no substitutes)
1 1/2 c. powdered sugar
2 egg whites
1 tsp. vanilla
2 1/2 c. flour
1/2 tsp. baking powder
1/2 tsp. baking soda
sugar

In a mixing bowl, cream butter and sugar. Beat in egg whites and vanilla. Combine flour, baking powder and soda; gradually add to the creamed mixture. Chill. Roll into 1/2 inch balls, then roll in sugar. Place on baking sheet, flatten with fork or fancy glass bottom.

Bake at 350°F until lightly brown.