black walnut potato cake

Ingredients For black walnut potato cake

• CAKE:
• 2 c

  sugar
• 4 lg

  eggs, separated
• 2 tsp

  baking powder
• 1 tsp

  nutmeg
• 1 c

  cocoa powder
• 1 c

  mashed potatoes
• 1 c

  walnut pieces
• 1 c

  raisins
• 1 tsp

  pure vanilla extract
• 3/4 c

  butter
• 2 c

  all purpose flour
• 1 tsp

  cinnamon
• 1/4 tsp

  salt
• 1/2 c

  milk
• FROSTING:
• 1/2 stick

  butter
• 2 squares

  semi-sweet baking chocolate
• 2 - 3 c

  confectioners' sugar