Ingredients

• 300 g plain flour
• 100 g Bournville Cocoa Powder
• 200 g caster sugar
• 150 g light brown sugar
• 2 tsp bicarbonate of soda
• 1 tsp baking soda
• 1 tsp salt
• 2 tsp espresso powder
• 150 ml vegetable oil
• 3 eggs, at room temperature
• 1 tsp pure vanilla extract
• 240 ml buttermilk, at room temperature
• 240 ml freshly brewed strong hot coffee (regular or decaf)
• Chocolate Buttercream:
• 250 g unsalted butter
• 400 g confectioners’ sugar
• 50 g Bournville CocoaPowder
• 4 tbsp (45-75 ml) double cream
• 0.25 tsp salt
• handful Cadbury Flake pieces
• handful Cadbury Crunchie Bits pieces
• handful Cadbury Dairy Milk Buttons
• sugar hearts