Beat whipping cream, powdered sugar and vanilla in chilled 1.5-quart bowl until stiff; refrigerate.

Prepare coffee as directed in "about coffee", using 3/4 cup coffee and 3 cups water.

Heat 4 mugs or Irish coffee glasses by rinsing with boiling water; drain. Place 2 tb whiskey and 1 to 2 ts granulated sugar in each mug; stir. Pour hot coffee into each mug. Top with whipped cream; serve immediately. 4 servings (about 3/4 cup each); 280 calories per serving.