Created by lazyme on February 4, 2015
Step 1: Preheat oven to 350F.
Step 2: Separate eggs.
Step 3: Combine egg yolks and 1 cup sugar in large bowl and beat until thick and lemon colored, about 5 minutes.
Step 4: Dissolve coffee powder in boiling water. Blend in vanilla and dissolved coffee powder.
Step 5: Combine flour and baking powder and blend into batter.
Step 6: Beat egg whites until stiff. Fold into batter.
Step 7: Turn into ungreased 10-inch tube pan.
Step 8: Bake 30 minutes.
Step 9: Invert onto rack and let stand until completely cool.
Step 10: Whip cream with 2 tablespoons sugar until soft peaks form.
Step 11: Add coffee and liqueur and beat until stiff.
Step 12: Slice cake crosswise into thirds.
Step 13: Use about 1/3 of cream frosting to fill layers and remainder to frost entire cake (save some frosting and pipe rosettes over top for garnish, if desired).
Step 14: Chill until whipped cream is slightly firm.
Step 15: Press nuts onto sides of cake and arrange coffee beans atop rosettes, if desired.
Step 16: Chill 4 hours before serving.