1 tablespoon boiling water
2½ cups sugar
½ cup butter
1 (5 ounce) can evaporated milk
1½ cups semisweet chocolate chips
1 (7 ounce) jar marshmallow crème
½ teaspoon vanilla
Dissolve coffee in boiling water. Set aside. In saucepan, combine sugar, butter, and evaporated milk. Bring to a boil over medium heat, stirring constantly. Boil for 5 minutes. Remove from heat. Stir in coffee mixture, chocolate chips, marshmallow crème, and vanilla. Pour into buttered 9×9-inch pan. Let stand at room temperature for 1 hour. Cut into 1-inch squares. Cover. Refrigerate until fudge is set.