Mustard is one of the most widely cultivated and cooked-with spices in the world, and has been so for centuries (the Ancient Romans called it 'mustem ardem,' or burning juice). Use black mustard seeds in a classic south Indian Coconut & Tamarind Salmon Curry, use prepared Dijon mustard for a classic French Roast Rabbit with Mustard, or try one of the other dishes in this fiery collection.