RumChata Key Lime Cupcakes


A sweet, dense cupcake filled with the flavors of lime and rum with a special cream cheese frosting that can’t be beat!


  • 1 3/4 c. flour
  • 1 t. baking soda
  • 1/2 t. salt
  • 1/2 c. butter, room temperature
  • 1 1/4 c. sugar
  • 2 eggs
  • 4 T. lime juice
  • 1 T. lime zest (plus 1 T. extra for garnish)
  • 3/4 c. buttermilk

For the Frosting

  • 8 oz. cream cheese, softened
  • 1 1/2 c. powdered sugar
  • 1/2 c. butter
  • 1 T. lime zest
  • 1/2 t. vanilla
  • 3 T. RumChata


  1. Preheat the oven to 350º.
  2. Whisk the flour, baking soda and salt together in a medium bowl.
  3. In another bowl, beat the butter and sugar until it’s light in color, about 3 minutes.
  4. Add in the eggs one at a time and mix well.
  5. Next add in the lime juice and lime zest and mix to combine.
  6. Add about 1/2 of the flour mixture to the butter and egg mixture and beat to combine.
  7. Next add in 1/2 of the buttermilk and mix.
  8. Repeat with the rest of the four mixture, mix to combine and then the last of the buttermilk.
  9. Beat for 1 minute until well combined.
  10. Line a cupcake pan with liners and divide the mixture evenly between the 12 cups.
  11. Bake for 20-25 minutes then remove rom the oven to cool.
  12. While the cupcakes are baking you can get your frosting together.
  13. Mix the cream cheese together with the butter in a medium sized bowl.
  14. Add in the powdered sugar. lime zest, vanilla and the RumChata.
  15. Mix to combine.
  16. Frost the cupcakes and top with fresh lime zest.