Diane Kochilas roasts a whole head of cauliflower enhanced with feta and herbs; Alex Aïnouz uses a smoke infuser to transform portobello mushrooms into succulent barbecue; Josh Mamaclay roasts carrots tandoori-style; how to restore cast-iron pans.

It's time for holiday desserts; Claire Ptak shares her famous spice cake with brown sugar buttercream; Alex Aïnouz makes soft meringue floating on a lake of dulce de leche; Claire bakes vegan chocolate cupcakes; non-refrigerated milk substitutes.