Add biscuits to boiling milk and you will be surprised by this genial idea

Ingredients: 300g of ladyfinger biscuits 100g of unsalted butter 50g of sugar 50ml of milk 50ml of water 40g of cocoa powder 2 egg yolks 30g of sugar 50g of cornstarch 800ml of milk 30g of cocoa powder 80g of semi-sweet chocolate 40g of heavy cream