2 sticks butter
1 c. sugar
4 egg yolks
1 c. flour
1 tsp. vanilla
1 tsp. baking powder

Cream butter and sugar. Add egg yolks, flour, vanilla, and baking powder. Beat 4 egg whites separately and fold in other ingredients. Pour into large greased cookie sheet.

Mix 1/2 cup sugar and 1/2 cup chopped nuts and sprinkle over mixture in cookie sheet. Bake 15 minutes at 350 degrees. Cool and cut in circles, then in half, like moons.