Shortages of some products may be looming as Russia’s war on Ukraine continues through its second month, causing widespread destruction and a wave of refugees. Mustard producers are among those fearful that the hostilities could impact supplies. Any limitations on the availability of mustard seeds could lead to a shortage of the product or higher prices. Now is the best time to learn how to try making your own mustard at home, and you’ll be happy to hear that you only need a handful of ingredients. The basic recipe consists of mustard seeds, water, vinegar, sugar and salt. There are several ty…