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Coarse-Grain Mustard

Coarse-grain mustard is considered by many a must for grilled sausage or a ham sandwich. Which one should you buy?

What We Learned

Mustard aficionados argue that the coarse-grained condiment improves any ham sandwich or grilled sausage—unless you pick the wrong jar. The fate of our lunch at stake, we sampled 11 brands.

Tasters appreciated spiciness, tanginess, and the pleasant pop of seeds. They disliked mustards with superfluous ingredients such as xanthan gum, artificial flavors, and garlic and onion powders...