Ingredients
Equipment
Method
Step-by-Step Instructions
- Preheat the oven to 350°F (175°C) and line a cupcake pan with 12 cupcake liners.
- Whisk together cake flour, baking powder, baking soda, and salt in a medium bowl.
- Cream softened butter and sugar until light and fluffy in a large mixing bowl.
- Incorporate egg whites and vanilla into the creamed mixture.
- Gradually add dry mixture to the butter and egg mixture, alternating with buttermilk, until just combined.
- Fill cupcake liners about two-thirds full and bake for 16-18 minutes.
- Cool cupcakes in the pan for about 10 minutes before transferring to a wire rack.
- Make ganache by melting white chocolate, butter, and heavy cream together and cool to room temperature.
- Whip ganache until fluffy, then fill cooled cupcakes.
- Prepare buttercream by whipping softened butter with salt, fold in melted white chocolate and powdered sugar.
- Frost the filled cupcakes and serve.
Nutrition
Notes
Store cupcakes in an airtight container at room temperature for up to 3 days. For longer storage, freeze for up to 3 months.
