INGREDIENTS
2 1/4 cups
all-purpose flour
2 1/4 cups
superfine sugar (regular granulated sugar will work as well)
1 cup
"black" unsweetened cocoa powder (I used Guittard Noir)
1 tbsp
baking soda
1 1/2 tsp
baking powder
1 tsp
salt
1 1/2 cups
buttermilk, room temperature
1 cup
hot coffee
3/4 cup
vegetable oil
2 tsp
pure vanilla extract (I used Nielsen-Massey)
3
eggs, room temperature
2 1/4 cups
unsalted butter, softened
1 1/2 cups
confectioners' sugar
3/4 cup
premium dark (preferably black) cocoa powder (I used Guittard Noir)
1/2 cup
hot water
1/2 cup
sour cream
1 1/2 tsp
pure vanilla extract (I used Nielsen-Massey)
Generous pinch of salt
10 oz
premium dark (but not extra dark) chocolate, chopped or chips, melted (I used Callebaut Callets)
your favourite sprinkles (I used a mix of these sequins, these nonpareils and these edible silver stars)
You will also need:
6
" pastry comb (I used this one)
1
large pastry bag, disposable or reusable
Large plain round pastry tip (I use Ateco #809)