Rainy Portland (Warm Rum Drink)

Ingredients

• 10 fluid ounces milk, or to taste
• 2 teaspoons brown sugar
• 1 teaspoon vanilla extract
• 1 1/2 fluid ounces rum
• 1 teaspoon butter
• 1 pinch ground nutmeg

Directions

Fill a microwave-safe mug with milk; stir in brown sugar and vanilla extract.

Heat milk mixture in microwave until almost boiling, about 1 minute. Stir rum into milk mixture and float butter on top; sprinkle with nutmeg.