For whatever recipe you are making, these are the best substitutes for mustard seeds. Whether you need black, brown, yellow (white), or whole grain mustard seeds, these alternative ingredients are great swap outs. These substitutes work in all sorts of recipes including pickling, sauces, condiments & meats. Great mustard seed substitutes for spicy, mild, hot, & dijon uses. Tips & tricks include mustard powder, jarred prepared mustard, coriander or caraway seeds, horseradish, & wasabi.