Cake:

1/2 c. butter, plus 1 inch of block
1 1/2 c. sugar
3 eggs
1 tsp. vanilla
2 c. flour
1 tsp. baking powder
1 tsp. baking soda
1/2 c. cocoa
1/2 tsp. salt
1 c. instant coffee, warmed
1 c. sauerkraut, drained in cold water and cut into very small pieces

Frosting:

6 oz. semi sweet chocolate chips
4 tbsp. OR 1/2 stick of butter
1/2 c. of sour cream
1 tsp. vanilla
2 1/2 to 2 3/4 c. confectioners sugar

Combine cake ingredients. Pour into 2 (9x9 inch) pans. Bake at 350 degrees for 35 to 40 minutes. Melt chocolate chips and butter in saucepan.

Add remaining frosting ingredients and mix well. Use only enough confectioners sugar to make the frosting be spreadable. Frost cooled cake.