Squeeze oranges, measure 600 ml of juice. Mix pudding powder with 100 g sugar, stir with 300 ml orange juice until smooth. Bring 1700 ml orange juice to the boil in a pot, remove from the heat. Stir in the pudding, heat up again while stirring and let it simmer for about 1 minute. Divide into 12 glasses (approx. 250 ml content), chill for approx. 2 hours. Mix sour cream, vanillin sugar and 50 g sugar. Distribute in the glasses and serve
With 12 people: