We've all had those moments of opening the refrigerator, reaching for a condiment, and immediately questioning how long it's been sitting on the shelf. Out of everything you need to know about mustard ...

Bottled of unlabeled mustards on fridge shelf. - New Africa/Shutterstock Maybe you use it to amp up your sandwiches, like those made from the healthiest deli meats. Perhaps you squirt it onto your hot ...

Maybe you use it to amp up your sandwiches, like those made from the healthiest deli meats. Perhaps you squirt it onto your hot dogs, possibly in addition to ketchup. You might even use it to make a ...