How to Thicken Lemon Posset?

To thicken un-set posset: take out the serving dishes and put it in a jug then add some cold double cream stirring as you do so, it should instantly thicken, so you shouldn't need much, it's not an exact science so just add enough until you get the thick consistency you want, pour it back into your serving dishes and ...

Why is my lemon posset runny?

With just three ingredients – lemon, sugar and cream – a posset is the easiest and most delicious make ahead dessert! ... Talking of ingredients, don't confuse thickened cream for double cream, they're very different. If you use thickened cream, your posset will be runny and won't set, only double cream will do!

Does lemon juice thicken cream?

1. Lemon juice acidifies the cream, causing the casein proteins in the cream to clump. ... Fat in the cream prevents the casein from clumping tightly; instead of curdling as milk would, the mixture thickens.