01 -
In a large mixing bowl, combine sugar, flour, cocoa powder, baking powder, baking soda, and salt. Add the eggs, soured milk, black coffee, vegetable oil, and vanilla extract. Beat with an electric mixer for 2 minutes until well incorporated.
02 -
Divide the batter evenly between two greased and lined 25 cm round cake pans. Bake in a preheated oven at 165°C for 25–30 minutes or until a skewer inserted in the centre comes out clean.
03 -
Remove cakes from the oven. Allow to cool for 10 minutes in the pans before transferring to wire racks to cool completely.
04 -
If using, pierce the cooled cake layers with a fork. Slowly pour 30 ml orange liqueur over each layer’s surface, letting it absorb fully for enhanced flavor.
05 -
In a clean bowl, beat the cream cheese and sugar until smooth. Add eggs one at a time, followed by the vanilla, orange zest, and whipping cream, mixing just until combined.
06 -
Pour the cheesecake batter into a lined 25 cm springform pan. Bake at 165°C for 50–60 minutes or until the centre is just set and surface is no longer glossy. Cool completely in the pan. Run a sharp knife around the edge once cooled.
07 -
Place one chocolate cake layer on top of the cooled cheesecake while in the springform pan. Invert the stack onto a serving plate, and remove the pan and parchment. Finish with the second cake layer on top.
08 -
Sift icing sugar and cocoa powder into a bowl. Beat in softened butter and add milk 1 tablespoon at a time until the frosting is thick yet spreadable.
09 -
Spread a thin, even layer of chocolate buttercream over the top and sides of the assembled cake. Chill the cake for 1–2 hours to set the crumb coat.
10 -
In a double boiler, melt chocolate chips with whipping cream, stirring constantly until smooth. Remove from heat and allow to cool slightly until pourable but not hot.
11 -
Pour the ganache over the centre of the chilled cake, spreading gently to the edges and letting it cascade down the sides for an even finish.
12 -
Decorate with fresh orange slices or supremed orange segments for a vibrant, citrus finish. Slice and serve chilled.