Black Forest Trifle

Name: Black Forest Trifle
Prep time: 45 min
Cook time: 1 h 45 min
Total time: 2 h 30 min
Cuisine: European, British, German
Ingredients: 250 g frozen pitted dark cherries; 250 g tinned pitted black cherries, in syrup; 1 Tbsp golden caster sugar; 50 g water; 1 Tbsp cornflour; 4 large eggs; 100 g golden caster sugar; 80 g self-raising flour; 20 g cocoa powder; 1 pinch fine sea salt; 180 g milk chocolate; 500 g milk; 20 g cornflour; 2 large eggs; 300 g double cream