Preheat oven to 350°F. Coat a bundt pan with cooking spray.
In a large mixing bowl or in the bowl of an electric mixer, combine flour, sugar, baking soda and 2/3 cup of cocoa. Add melted butter, hot water and vanilla extract; mix well. Add sauerkraut and blend thoroughly.
batter into prepared pan; bake in center of oven until a tester
inserted in center of cake comes out clean, about 55 to 60 minutes.
Cool cake in pan for about 20 minutes and then turn out
onto a baking rack to cool completely. Sprinkle with 1 tsp cocoa powder
before slicing into 14 pieces.
Optional: You can easily change the flavor of this cake by adding strong coffee instead of hot water or adding cayenne pepper and cinnamon with the vanilla.