Instructions: Pre-heat oven to 375- F degrees. Grease a 9 inch by 13 inch baking pan; set aside.

In a large mixing bowl, sift together the flour, baking soda, salt, cinnamon, and allspice.

In a separate mixing bowl, cream together butter or margarine and sugar. Add the eggs one at a time, mixing thoroughly after each addition. Add melted chocolate, vanilla, and mashed potatoes, and blend well.

Blend the wet ingredients into the dry. Pour the cake batter into the prepared baking pan. Bake for 45 minutes, or until a cake tester may be cleanly removed from the center of the cake. Let cool in the pan; slice to serve.

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