1/2 c. butter
2 c. sugar
1/2 c. milk
4 eggs, separated
1/2 c. cocoa
1/2 tsp. cinnamon
1 tsp. vanilla
1/8 tsp. salt
2/3 c. milk
2 c. flour
3 tsp. baking powder
1 c. hot mashed potatoes
1 c. chopped nuts

Cream butter; beat in sugar. Add beaten egg yolks, vanilla, mashed potatoes, and cocoa. Add sifted dry ingredients, alternating with milk, then add the nuts. Fold in stiffly beaten egg whites. Bake at 350 degrees for 50 minutes in 9"x12" pan. Frost with your favorite frosting.