Mustard is an indispensable accompaniment to sausages and meat and an almost obligatory addition to fast food. Maybe that's why you think that, like ketchup, it's not healthy. But it's not like that. Mustard is still healthy. Especially homemade, which is bursting with healing properties. Mustard is one of the oldest spices, and the first recipe for its preparation was written by the Romans in the 1st century. Well, we will not dust off an ancient recipe, but we will look at one that suits life in the 21st century, when the pace is fast and we don't have time to rush in the kitchen for too long. So here is a recipe for homemade mustard in 15 seconds.