• 500 ml water,

sale ,

a few drops of lemon,

blend everything, then fine mesh strainer and filter.

Then add 3 grams of soy lecithin and use a blender to incorporate air. If you want to do it with the siphon, ask in the group [Facebook, CMDI, Cucina Molecolare Innovazione Design, ed.] which I've never done.

Credits:

Francesco Ponti CMDI Facebook group.