01 -
Preheat oven to 350°F (175°C). Line a 12-cup muffin tin with cupcake liners.
02 -
In a bowl, whisk together flour, baking powder, and salt.
03 -
In a separate bowl, beat butter and sugar until light and fluffy (about 2 minutes).
04 -
Beat in eggs one at a time, then mix in lime zest, lime juice, tequila, and vanilla extract.
05 -
Gradually add the dry ingredients, alternating with buttermilk, mixing until just combined.
06 -
Divide batter evenly among cupcake liners and bake for 18-22 minutes, or until a toothpick inserted in the center comes out clean. Let cool completely before frosting.
07 -
In a bowl, beat butter until creamy.
08 -
Gradually mix in powdered sugar, tequila, lime juice, lime zest, and a pinch of salt, beating until fluffy.
09 -
Pipe or spread frosting over cooled cupcakes.
10 -
Lightly sprinkle the edges of the cupcakes with coarse salt or sugar for a classic margarita look. Garnish with lime wedges or extra zest.