Step 1

Preheat the oven to 350°F and line a 12 cup pan with cupcake liners.

Step 2

Whisk the cake flour, baking powder, and salt together in a large bowl.

Step 3

In a separate bowl, whisk the melted butter, sugar, and lime zest.

Step 4

Add in the eggs, vanilla, lime juice, and tequila and whisk until fully combined.

Step 5

Stir in about half of the flour mixture. Then stir in the yogurt and the rest of the flour mixture and mix until fully combined. The batter will be thin.

Step 6

Pour about ¼ cup of batter into each cupcake liner (they should be about halfway full).

Step 7

Bake at 350°F for 18-22 minutes or until a cake tester comes out clean.

Step 8

Remove from cupcake pan and let cool on wire rack.

Step 9

Let cupcakes cool completely before frosting.

Step 10

Optional: pour 1 tablespoon of tequila into a small bowl and using a pastry brush, lightly brush the tops of the cupcakes before frosting.

Step 11

While the cupcakes are cooling, make the frosting.

Step 12

In a stand mixer fitted with the paddle attachment, cream together the softened butter and cream cheese until completely smooth. Then add in the powdered sugar and beat on slow until combined.

Step 13

Slowly add in the lime juice, tequila, and salt until fully combined. Then beat the buttercream for 3-4 minutes on high speed until light and fluffy.

Step 14

Frost cooled cupcakes, then garnish with lime slices and lime zest.