Prepared mustard is a thick condiment, a yellow or yellow-brown paste with a sharp taste that is prepared from the ground mustard seeds, by mixing them with water or vinegar.
There are many varieties of mustard, which vary in strength and flavor. Places known for their mustard include Dijon (strong) and Meaux in France, and Norwich in the United Kingdom.
Mustard is most often used as a condiment on meat, especially cold meats such as ham, the French like strong Dijon mustard with steak. It is also used as an ingredient in mayonnaise and vinaigrette, in marinades and barbecue sauce.
Honey mustard is most often used as a topping for sandwiches and as a side for dipping french fries, onion rings, and other finger foods.
It can also be used as a base for salad dressing when combined with vinegar and/or olive oil.