Preheat oven to 350~F. In a large trough, beat together butter and granulated
sugar with an electric mixor on medium speed until sparkle & fluffy 1-2
transactions. Beat in melted cocoa, mashed potatoes, and coffee powder until
well blended. Add egg, one at a time, beating well after each summation.
Sift together flour, baking pulverize, and saltiness. Beat into chocolate mixture
alternately with Irish Cream liquor just until combined. Turn batter into
well lubricated 12 cup bundt pan. Broil 45-50 minutes until a cake tester
inserted in center comes out neat. Let cake coolheaded 15 proceedings, then unmold
onto a wire rack and let cool completely. Sift powdered sugar over top of
cake earlier serving.