01 - Brew coffee until strong and hot, then pour into two heatproof glasses or mugs.
02 - Stir 1 tablespoon brown sugar into each glass until completely dissolved.
03 - In a chilled bowl, whip heavy cream with powdered sugar and vanilla extract until soft peaks form.
04 - Gently spoon whipped cream over coffee, allowing it to float on top.
05 - Sprinkle with nutmeg or cocoa powder if desired and serve immediately.