you can get two kinds of english mustard. One comes as a powder (dry mustard or mustard flour or mustard powder) which you mix with water vinegar, wine etcet to make mustard to use on your plate. You can also use it to season flour or to dust onto roasts or add to gravy. Made up mustard is the wet kind that comes in a jar, you scoop it straight out onto your plate and use it. Dry mustard that has been mixed to a paste ready to use is also referred to as made up mustard.