INGREDIENTS
1
package (18.25 ounces) plain devil's food cake mix
2 tbsp
unsweetened cocoa powder
3/4 cup
Kahlua
3/4 cup
buttermilk
1/2 cup
vegetable oil
3
large eggs
2/3 cup
unsweetened cocoa powder
6 tbsp
boiling water
2 tbsp
Kahlua
8 tbsp
butter, softened
4 cups
confectioners sugar
1/4 tsp
ground cinnamon