01 -
Set your oven to 350°F. Line up 32 cupcake molds with paper liners and leave them on standby.
02 -
Mix your flour, baking powder, cocoa powder, salt, and baking soda. Keep this bowl nearby for later.
03 -
Stir together the buttermilk, vanilla extract, and instant coffee (if you're using it). Keep this aside for later too.
04 -
Whisk sugar and oil together until combined. Crack in the eggs and egg white one by one, beating until it lightens in color. It takes about a minute and a half.
05 -
Start alternating between adding your dry mix and wet mix into the sugar mixture. Begin and end with the dry mix, and give it a quick scrape around the edges to keep it smooth.
06 -
Fill each cupcake liner two-thirds full with batter using a scoop. Bake them on the lower rack of the oven for 15-22 minutes. They're ready when a toothpick poked in comes out not wet but with just a few crumbs.
07 -
Once out of the oven, let them chill for 5-10 minutes in their pans. Then, transfer to a rack and allow them to fully cool before you frost.
08 -
Add powdered sugar, vanilla, butter, and a pinch of salt to a large bowl. Beat on low until it’s mixed and the butter breaks down.
09 -
Pour heavy cream in slowly while beating on medium to smooth out lumps. Scrape the sides and mix again to make sure it’s all evenly combined.