1 cup (8-ounces) heavy cream
3 tablespoons granulated sugar
6 cups strong, hot black coffee
3/4 cup Irish whiskey
Using an electric mixer, beat the cream with 1 tablespoon of sugar until soft peaks form. Set aside.
Combine remaining sugar, coffee and whiskey.
Pour into mugs and top with whipped cream. Serve immediately.
Serves 4 to 6.