Preheat oven to 325 degrees. Grease muffin tin or use paper liners.
Combine dry ingredients in the bowl of an electric mixer mixing at low speed just until combined. Add butter and mix until the butter coats the flour.
the egg mixture to the dry mixture in 3 parts until combined. Do not overmix.
16 cupcakes. Let sit 10 minutes before baking. Bake about 17 minutes or until toothpick inserted in middle of cupcakes comes out clean. Cool completely.
Hollow out the center of the cupcakes. Fill with lime curd, pipe frosting, and garnish with lime slices, mint and lime zest.
butter and zest. Cook over simmering water 15 minutes or until thickened. Cool.
Add ingredients to the bowl of an electric mixer and beat until soft peaks form. Pipe onto cupcakes. This whipped cream recipe is not stabilized, so frost and garnish right before serving.