I experimented for with xanthan gum for the first time tonight. I made a sauce which was about half roasted peppers, half savory stuff (lamb stock, beef broth, balsamic vinegar and a bit of chili ...
So I have an iSi whipped cream charger. There are a series of recipes that sound really interesting, but I don't quite understand what ingredients you need in order to make a stable foam / mousse. ...