Hot Buttered Rum

Bahan-bahan (1 porsi)

• 2 ounces (1/4 cup) dark rum
• 2 tablespoons spiced butter batter
• 6 to 8 ounces boiling water
• optional: cinnamon stick or star anise, for garnish
• 2 cups vanilla ice cream, lightly softened
• 1 cup (2 sticks) salted butter, softened to room temperature
• ½ cup packed light brown sugar
• 1/3 cup white granulated sugar
• 1 1/2 teaspoons ground cinnamon
• 1/2 teaspoon ground nutmeg
• 1/4 teaspoon ground cloves
• 1/4 teaspoon fine sea salt