The amount of strawberry orange jam is enough for 3 jam jars. Wash, clean and halve the strawberries. Weigh 750 g. Pour into a pot. Mix with 500 g of gelatine sugar. Squeeze oranges and lemons. Add juice. Bring to the boil. From the moment the strawberry orange marmalade is cooked for 8 minutes while stirring. Lightly mash the strawberry and orange jam with a potato masher. Fill jam into glasses while still hot. The calories are calculated per glass. If you eat about 20 g of strawberry orange jam per portion, that's about 40 calories.