01 - Brew coffee and pour into two heatproof glasses or mugs, leaving about 1 inch of space at the top.
02 - Stir 1 tablespoon brown sugar into each glass until fully 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 the coffee, allowing it to float on top without mixing.
05 - Sprinkle with nutmeg or cocoa powder if desired. Serve immediately while hot.