Idaho Spud Cake

Ingredients:
- 1 c. margarine, softened
- 2 c. sugar
- 2 eggs
- 1 c. cold mashed potatoes
- 1 tsp. vanilla
- 2 c. flour
- 1/4 c. cocoa
- 1 tsp. soda
- 1 c. milk
- 1 c. chopped nuts

Directions:
- Cream margarine and sugar until fluffy.
- Add eggs, one at a time.
- Beat well after each addition.
- Blend in potatoes and vanilla.
- Combine flour, cocoa and baking soda.
- Add alternately with milk.
- Blend well after each addition.
- Stir in nuts.
- Bake in greased 13 x 9-inch pan at 350°
- for 40 to 50 minutes.
- Cool on wire rack.
- Frost with Granny's Good Frosting.