Pickled mustard seeds are a delicious homemade condiment that provide big flavor and a delightful textural contrast to a variety of different dishes. They make a particularly nice addition to a charcuterie board or a topping for sandwiches, pâté, cheese, eggs and other rich foods.
Place the mustard seeds in a fine mesh strainer and rinse thoroughly. Combine all ingredients in a small saucepan. Bring to a boil over medium high heat and then reduce the heat to low. Simmer, stirring occasionally, until the mustard seeds are gelatinous and have plumped slightly, about 30-40 minutes. Add more water (just one or two tablespoons at a time) if the seeds should begin to dry out during the cooking process. Transfer to a clean container to cool completely. Cover and refrigerate for up to a month.
Notes
Be sure to keep an eye on the seeds as they cook and stir them occasionally.
If the seeds begin to dry out before the desired texture is achieved, simply add another tablespoon or two of water and continue cooking as directed.