Chocolate Cherry Bakewell Slice

Name: Chocolate Cherry Bakewell Slice
Prep time: 30 min
Cook time: 1 h 15 min
Total time: 1 h 45 min
Cuisine: British, European
Ingredients: 300 g (11oz) plain flour, plus extra to dust; 50 g (2oz) cocoa powder; 150g (5oz) chilled unsalted butter, cut into cubes; 100 g (3½oz) caster sugar; 1 large egg; 200 g (7oz) cherry jam; 150 g (5oz) unsalted butter, softened; 150 g (5oz) caster sugar; 4 large eggs, lightly beaten; 150 g (5oz) ground almonds; 100 g (3½oz) plain flour; Few drops almond essence; 25 g (1oz) flaked almonds; 75 g (3oz) icing sugar, sifted