Ingredients
Method
- Preheat oven to 350°F (175°C) and line a cupcake pan with 12 liners.
- Whisk flour, cocoa powder, baking powder, baking soda, salt, and espresso powder.
- Cream butter and sugar until light and fluffy.
- Add egg, egg yolk, and vanilla and mix until pale and fluffy.
- Mix in milk and sour cream gently.
- Add dry ingredients and mix just until combined.
- Fill liners 3/4 full and bake 17–20 minutes.
- Cool completely before filling and frosting.
- Heat cream until steaming, pour over chopped chocolate, and stir smooth.
- Mix in raspberry preserves and cool 15 minutes.
- Beat butter and salt for 5 minutes.
- Add powdered sugar gradually.
- Mix in raspberry powder, vanilla, and preserves; beat until fluffy.
- Core cupcakes, fill with raspberry ganache, and frost with raspberry buttercream.
Notes
Ensure all ingredients are at room temperature for the best cupcake texture and frosting consistency.
