01 -
Preheat oven to 350°F (177°C). Line a standard cupcake pan with 12 paper liners and set aside.
02 -
In a small bowl, sift together all-purpose flour, cocoa powder, baking powder, baking soda, salt, and espresso powder. Set aside.
03 -
In a large bowl, beat softened butter and granulated sugar on high speed until light and fluffy, 1 to 2 minutes.
04 -
Add egg, egg yolk, and vanilla to the butter mixture. Mix on medium speed until creamy and combined, about 1 to 2 minutes.
05 -
With mixer on low, add milk and sour cream. Blend until just combined.
06 -
Gradually add sifted dry ingredients to the wet mixture, mixing on low speed until fully combined and smooth.
07 -
Spoon batter into liners, filling each about 3/4 full. Bake for 17 to 20 minutes until a toothpick comes out clean.
08 -
Let cupcakes cool in the pan for 10 minutes, then transfer to a wire rack to cool completely before filling or frosting.
09 -
Heat heavy cream in a small saucepan over medium heat until just steaming. Pour over chopped chocolate in a bowl and let sit 2 minutes. Stir until smooth. Add raspberry preserves and combine. Allow to cool for 15 minutes, then transfer to a piping bag.
10 -
In a large bowl, beat softened butter and pinch of salt on high speed until pale and fluffy, about 5 minutes. Add powdered sugar and mix on low until combined. Add ground freeze dried raspberries, raspberry preserves, and vanilla; mix on low, then beat on high until light and fluffy. Transfer to a piping bag fitted with a decorative tip.
11 -
Once cupcakes are fully cool, use a cupcake corer or knife to remove a small portion of the center. Pipe raspberry chocolate ganache into each cavity.
12 -
Pipe raspberry buttercream over each cupcake. Garnish with a fresh raspberry if desired. Serve and enjoy.