Jerusalem Artichoke Soup With Truffle Oil [Vegan, Gluten-Free] | One Green Planet January 20, 2015 by Bill and Merre Davis 0 Jerusalem Artichoke Soup With Truffle Oil [Vegan, Gluten-Free] | One Green Planet. Share this: Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Like Loading... Related