You'll also detect more tang and spice thanks to mustard seed in the Big Arch Sauce recipe. From the Arch Deluxe with a potato flour bun to the Big Xtra with a larger patty and special grill ...

(Several tasters at the newspaper detected a hint of horseradish in the “secret” sauce on the Arch Deluxe. Not so ... adapting the recipes for 27 different bakeries so that the rolls from ...

So what’s the big deal about the Arch Deluxe? Not much, if you ask me. It’s just a Quarter Pounder in new clothing. Trying to shed a bit of its kiddie image, McDonald’s designed the sandwich ...

The Arch Deluxe had a quarter-pound patty and peppered bacon that was more exciting than the usual drab bacon slices you get on fast-food burgers, plus that mustard-mayo "secret sauce," which ...