WELCOME TO OUR KITCHEN: It's the mustard-ketchup showdown!

Mustard or ketchup? Which camp are you in? Or are you some sort of envoy between the camps? We're talking about mustard and ketchup, a culinary showdown in many North American homes. We're Bruce Weinstein & Mark Scarbrough, authors of three-dozen cookbooks (and counting). We've developed over ten thousand original recipes in our career. And we've been contributing editors for old-school…