Dan's Black Forest Slice recipe - The Great British Bake Off

Ingredients

• 175g plain flour
• 25g cocoa powder
• 1 tsp espresso powder
• 1 tsp baking powder
• 175g unsalted butter
• 200g light brown soft sugar
• 1 tsp vanilla extract
• 3 large eggs
• 200g cherries, pitted and quartered
• 25g 70% dark chocolate
• 16 cherries in kirsch, drained
• 75g 54% dark chocolate
• 1g pure cocoa butter powder
• 300ml double cream
• 50g icing sugar
• 1 tsp vanilla bean paste
• 2 tbsp caster sugar
• 2 tbsp kirsch