Chocolate Mousse with Compressed Peach, Sous Vide Plantain, Smoked Hazelnut and Citrus Gel — second half, Keith's penultimate dish and most technically complex effort. Techniques: Compression, Sous Vide, Smoke, Gel (4 techniques). Keith Corbin: So here you have a chocolate mousse with compressed peach, sous vide plantain, smoked hazelnut, and citrus gel. Keith had pivoted to this dish after his caramel caviar spherification attempt failed in the final 15 minutes: I was at the top of the leaderboard, and now I'm, like, fighting for my life.