Choc & cherry cube cake - Moje wypieki

Ingredients

• 130 g plain flour
• 40 g cocoa powder
• 1 tsp baking powder
• ½ tsp bicarbonate of soda
• pinch of salt
• 125 ml buttermilk or kefir
• 125 ml brewed coffee
• 60 ml rapeseed or sunflower oil
• 1 tsp vanilla extract
• 1 large egg
• 180 g light brown sugar
• 150 ml milk
• 425 ml whipping cream
• 425 g Greek yoghurt
• 100 g caster sugar
• 1 vanilla pod or 1 tsp vanilla paste
• 4 tsp gelatin powder plus ½ cup water
• 1½ kg cherries
• 3 packets cherry jelly (each for 500 ml of water)
• 1.2 litres water