01 -
Preheat the oven to 350°F (175°C) and insert paper cupcake liners into the cupcake pans.
02 -
In a medium bowl, whisk together the cake flour, baking powder, baking soda, and salt for 30 seconds. Set aside.
03 -
In another bowl, mix buttermilk, vegetable oil, lime juice, and lime zest. Set aside.
04 -
In the bowl of a stand mixer, beat the butter at medium speed until smooth. Gradually add sugar and lime gelatin powder, mixing for 3 to 5 minutes until light and fluffy.
05 -
Add the eggs one at a time, beating on low speed after each addition until fully combined.
06 -
With the mixer on low speed, alternately add the flour mixture and buttermilk mixture, beginning and ending with the dry ingredients. Mix until just incorporated without over-mixing.
07 -
Scoop approximately 60ml (¼ cup) of batter into each cupcake liner. Bake for 15-18 minutes or until a toothpick inserted in the center comes out clean. Allow cupcakes to cool completely.
08 -
In the mixer bowl, beat the softened butter until smooth. Gradually add softened cream cheese in chunks, mixing until blended. Add tequila and lime zest. Slowly incorporate powdered sugar, mixing until smooth. Chill the frosting for best piping results.