Soured cream is delicious spooned over baked potatoes and is also used to enrich and add an edge to soups and stews, such as goulash. It's sometimes used in baking - mixing sour cream with cream ...
It also works with oranges instead of lemons and you can replace the sour cream with yoghurt. You can bake the puddings in advance but don’t make the sugar syrup until you wish to eat it.