"Dried mustard" refers to mustard seeds that have been dehydrated and ground into a powder form. It is commonly used as a spice or seasoning in cooking and adds a sharp and tangy flavor to dishes. Full definition
I added a generous 1/4 tsp dry mustard to the sauce (because I really like mustard and sausage together) and used fresh mozzarella. (smittenkitchen.com)
Mix the salt, pepper, cayenne pepper, garlic powder, onion powder and dry mustard powder together in a bowl. (cookingchanneltv.com)
Mix the soy sauce, honey, vegetable oil, and dry mustard in a bowl, then pour it into the bag. (fieryfoodscentral.com)