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Brown Sugar Rum Cupcakes

Brown Sugar Rum Cupcakes

Moist brown sugar rum cupcakes topped with a smooth rum brown sugar buttercream
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Prep Time 20 minutes
Cook Time 18 minutes
Total Time 38 minutes
Servings 12

INGREDIENTS

Cupcakes

  • 1.5 cups all purpose flour
  • 1.5 tsp baking powder
  • ½ tsp fine salt
  • ½ cup unsalted butter softened
  • ¾ cup packed light brown sugar
  • 2 large eggs room temperature
  • 2 tsp vanilla extract
  • ½ cup whole milk room temperature
  • ¼ cup dark rum
  • ¼ cup sour cream room temperature.

Rum Brown Sugar Buttercream

  • 1 cup unsalted butter softened
  • 3 cups powdered sugar sifted
  • ⅓ cup packed light brown sugar
  • 2 tbsp heavy cream or whole milk
  • 2 tbsp dark rum
  • 1 tsp vanilla extract
  • pinch of salt.

Optional

  • turbinado sugar for garnish
  • lime zest for garnish.

INSTRUCTIONS

Cupcakes

  • Heat oven to 350 F and line a 12 cup muffin pan with liners
  • whisk flour baking powder and salt until evenly combined
  • cream butter and brown sugar until light and fluffy then beat in eggs one at a time and mix in vanilla
  • whisk milk rum and sour cream until smooth then add dry ingredients to the bowl in two additions alternating with the milk mixture mixing just until combined
  • divide batter evenly between liners filling each about two thirds full and bake until a toothpick comes out clean and tops spring back then cool 5 minutes in pan and cool completely on a rack before frosting.

Rum Brown Sugar Buttercream

  • Beat butter until smooth then beat in brown sugar until well blended
  • add powdered sugar gradually and mix on low then medium until fluffy
  • beat in cream rum vanilla and salt until smooth and pipeable adding a little more cream if too thick or more powdered sugar if too soft
  • pipe or spread onto fully cooled cupcakes and garnish if desired.

Notes

1. Use dark rum for deeper molasses notes or light rum for a milder finish. For alcohol free replace rum with 2 tbsp milk plus 1 tsp rum extract. Avoid overmixing once flour is added to keep a tender crumb

Nutrition

Calories: 410kcal | Carbohydrates: 55g | Protein: 3g | Fat: 19g