1 c. butter
1/2 c. white sugar
1/2 c. brown sugar
1 egg
2 1/2 c. flour
1/2 tsp. cream of tartar
1 tsp. baking powder
1 tsp. vanilla
1 c. coconut or chopped nuts

Roll teaspoon of dough into balls. Dip in cold water, then in white sugar, just top of dough. Place on ungreased cookie sheet. Bake at 350 degrees for 12 to 15 minutes. 3 dozen.