INGREDIENTS
2 1/4 cups
all-purpose flour
2 1/4 cups
superfine sugar
1 cup
"black" unsweetened cocoa powder (see Notes)
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
3
eggs, room temperature
2 3/4 cups
unsalted butter, room temperature
2/3 cup
high-ratio shortening (see Notes)
1/4 tsp
salt
10 cups
plus 250 g) confectioners' sugar, sifted
1 1/3 cups
heavy cream
1 tbsp
pure vanilla extract OR vanilla bean paste
2 tbsp
water, plus more if needed
1/4 cup
cream cheese, room temperature
Gel food color in fuschia (see Notes)
16
oreos, semi-crushed for the filling, plus more whole oreos for decorating (at least 8)
1/3 cup
rainbow jimmies
5 oz
semi-sweet best-quality chocolate, chopped or chips
3/4 cup
unsalted butter, cut into cubes
1 tbsp
corn syrup
salt