3/4 cup hot, strong brewed coffee
2 fluid ounces Irish cream liqueur
1 fluid ounce hazelnut liqueur (such as Frangelico®)
1 tablespoon sweetened whipped cream
1 pinch grated nutmeg
Stir together coffee and liqueurs in a heatproof footed glass mug. Spoon whipped cream on top and dust with nutmeg.