2/3 c. mashed potatoes (unseasoned)
1/3 c. butter or shortening
2 sq. unsweetened chocolate, grated (2 oz.)
1 c. sugar
2 eggs
1/2 tsp. salt
1/2 tsp. baking powder
1/2 tsp. vanilla

Heat oven to 350 degrees. Grease square pan 8 x 8 x 2 inches. Melt butter and chocolate over low heat. Add chocolate mixture to sugar, eggs and potatoes. Stir in remaining ingredients and pour into prepared pan. Bake 25-30 minutes. Cool. Frost if desired. Makes 2 dozen 1 1/2 inch squares.