Ingredients
Equipment
Method
Baking Instructions
- Preheat the oven to 350°F (177°C) and line a cupcake pan with paper liners.
- Cream the softened butter and sugar together until fluffy.
- Add in the egg whites, mixing until well combined.
- In a separate bowl, whisk together the flour, baking powder, and salt.
- Gradually mix the dry ingredients into the wet mixture, alternating with sour cream. Add key lime juice and zest.
- Fill the cupcake liners two-thirds full and bake for 18-20 minutes.
- Cool in the pan for 5 minutes, then transfer to a wire rack to cool completely.
- Prepare the frosting by mixing shortening and butter, then add powdered sugar and key lime juice until smooth.
- Frost the cooled cupcakes generously and sprinkle graham cracker crumbs on top.
Nutrition
Notes
Store cupcakes in an airtight container in the fridge for up to 3 days. Unfrosted cupcakes can be frozen for up to 3 months.
