Tired of the same old boring mayonnaise? This Thanksgiving—or better yet, on Leftover Day—slather some cranberry mayo on your sandwich.

Cranberry mayo is a hugely versatile (but largely unknown) condiment that you can easily make by mixing one part leftover cranberry sauce (whole or the jellied variety) with two parts mayo and a dash of Dijon mustard. It's earned the loyalty of Jeremy Glover, a farmer who has become one of the Northeast’s most talked-about chefs from his perch at Ceia Kitchen + Bar in Newburyport, Massachusetts.

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Loaded with vitamin C, cranberry mayo is healthier than plain old mayo and great for schmearing on rye bread with turkey and stuffing, making a leftover turkey or potato salad, or using as a dip with turkey skin as the (carb-free) chips.

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