Chocolate Cake - cooking recipe

Ingredients

2 medium potatoes, peeled and cubed
2 c. sugar
1 c. margarine
4 egg yolks
2 c. flour
1/2 c. cocoa
1 Tbsp. baking powder
3/4 c. milk
4 egg whites
1 tsp. vanilla

Preparation

Cook potatoes for 12 to 15 minutes; drain and mash.
Measure 1 cup potatoes; cool.
Beat sugar, margarine and vanilla until combined.
Add egg yolks, one at a time; beat after each egg.
Add potatoes; mix well.
In a separate bowl, mix the flour, cocoa and baking powder; add to potato mixture alternately with milk.
In a separate bowl, beat the egg whites until stiff peaks form.
Fold into flour mixture.
Grease and flour a 10-inch tube pan.
Pour in mixture.
Bake at 350\u00b0 for 1 hour.
Cool 10 minutes; invert pan. Serves 10.