Mustard is made from mustard plant seeds. The seeds are ground up or cracked and mixed with liquids, such as water, wine, lemon juice or vinegar, and sometimes flavored with other spices.
Mustard is a popular condiment that is used in cuisines worldwide. It has a spicy and sharp flavor but is sometimes sweetened. There are many varieties; popular types of mustard in North America include Dijon mustard, honey mustard and American yellow mustard.
Mustard is low in calories; a teaspoon of yellow mustard contains 5 calories and 0.2 grams of fat. Mustard also provides traces of omega-3 fatty acids and selenium.