½ cup (1 dl) buttermilk (or ½ cup milk + 1 tsp apple cider vinegar)
½ cup (1 dl) cold coffee
¾ cup (1.8 dl) canola oil
Chocolate Glaze:
150 g butter
½ cup (1 dl) cold coffee
4 cups (4.8 dl) powdered sugar
½ cup (1.2 dl) cocoa powder
1 tbsp vanilla sugar
1 pinch salt
Topping:
Shredded coconut
Directions
Prepare the Cake: Preheat the oven to 350°F (175°C), top and bottom heat. Line a 10×14 inch (25×35 cm) baking tray with parchment paper. In a large bowl, whisk the eggs, granulated sugar, and brown sugar with an electric mixer until the mixture is light and fluffy. In a separate bowl, mix the dry ingredients (flour, cocoa, baking soda, baking powder, vanilla sugar, and salt). Sift the dry ingredients into the egg mixture and gently fold them in with a whisk for a few seconds. Add the buttermilk, coffee, and oil, then continue mixing until you have a smooth, lump-free batter. Pour the batter into the prepared baking tray and bake in the middle of the oven for 25-30 minutes. Check for doneness with a toothpick—if it comes out clean, the cake is done. Remove from the oven and let it cool completely in the pan.
Prepare the Glaze: In a saucepan, melt the butter over low heat. Do not let it bubble or boil. Remove from heat and stir in the cold coffee. In a separate bowl, mix the powdered sugar, cocoa, vanilla sugar, and salt. Sift the dry ingredients into the butter mixture and stir until smooth and glossy.
Assemble the Cake: Poke the cooled cake using a chopstick. Pour the glaze over the cooled cake and spread it out evenly. Sprinkle with shredded coconut. Place in the fridge until the glaze has set.
Serve & Store: Cut into squares and store in an airtight container. Keep at room temperature or freeze for later!