Black MUSTARD seeds are slightly sharper than yellow MUSTARD seeds. You should heat black MUSTARD cooking no more than 60 degrees. Black MUSTARDsuitable for chutneys and meat and pickled vegetables, marinating, in minced P> Harmonizes with:. b> chili, dill, fenugreek,garlic, coriander, cumin, turmeric, bay leaf, parsley, pepper, cumin