4 eggs
1 c. flour
1 1/2 tsp. baking soda
1/4 tsp. salt
1 c. fine sugar (not powdered)
1/2 c. boiling water
1/2 tsp. vanilla
Icing
Crushed salted peanuts (1/2 c.)

ICING:

1 c. butter
1 egg yolk
1 tsp. vanilla
2 1/2 c. sifted powdered sugar

Separate eggs, save 1 yolk for icing. Beat remaining yolks until thick. Add sugar slowly while beating. Sift dry ingredients and add alternately with boiling water. Beat well. Add vanilla, beating thoroughly. Fold in stiffly beaten egg whites. Bake at 350 degrees for 30 minutes in a greased and floured jelly roll pan. Cool and ice with icing and sprinkle peanuts on top. Cut into 24 squares.