Not to worry, if you have dry mustard, you can easily substitute for the classic bottled condiment. However, the trick to getting the right taste and consistency is to use the right combination of ...

including 1 tablespoon of ground mustard or dry mustard powder, 1 tablespoon of white wine vinegar, and 1½ tablespoon of mayonnaise. How to store homemade Dijon mustard substitute? You can store it in ...