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