Most people have a bottle or jar of mustard in their fridge but don't realize how versatile it can be. Rose likes the basic yellow kind, which is mild and creamy and gets its color from turmeric, a powerful antioxidant. Brush some on chicken before roasting for an easy and low-calorie marinade. Or add a small squirt to a jar of oil and vinegar, then screw on the lid and shake to give salad some zip. One more genius idea: follow this recipe, where mustard is the key component in a sauce that works as both a cooking sauce and a dressing.
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