Sunchokes do not store well either fresh or cooked. Fresh ones keep for about three weeks in a paper bag in the fridge, cooked ones not more than a couple of days. Dried and ground into a flour they become a useful staple.
A quick and easy mustard recipe to serve with sandwiches, especially corned beef, both traditional and slow-cured. A little mustard powder, a little Worcestershire sauce, 10 minutes to develop flavor, and you’re done.
Tim Graham of Chicago's Travelle calls the slow-cooked Bengali condiment "ketchup with a lot more going on." Toasted cumin, coriander, mustard, turmeric and chili powder "come together into one flavor that's both fruity and funky," he says.