It looks spectacular. Cake with tangerines for any event

It looks spectacular. Cake with tangerines for any event Ingredients: eggs - 4 pieces sugar - 100 g (3.5 oz) flour - 100 g (3.5 oz) vanilla essence - 5 ml (1 tsp) cocoa - 40 g (1.4 oz) baking powder - 5 g ( oz) IN THE OVEN 180 °C (356 °F)/30 minutes Tray diameter 24 cm ( in) for the cream: sour cream - 600 g ( oz) milk - 500 g ( oz) sugar - 150 g (5.3 oz) pudding powder with vanilla taste - 160 g ( oz) tangerines - 4 pieces orange jelly - 70 g ( oz) hot water - 400 ml (13.5 fl oz) IN THE FRIDGE 1 H then 2 H