Black Mustard seeds are the seeds of mustard plants, they are larger in size, have spicy & earthy flavor, more pungent, and less bitter than yellow or brown mustard seeds.
Black mustard seeds are mostly used in spicy mustard sauce & condiments, pickling brine, spice blends, and added to flavor dishes, soups, and vegetables.
Warm butter or oil in a pan then toss in a spoonful to warm and release a less spicy-nutty with a mild and sweet aroma.