Grain mustard. Most of the mustard seeds remain whole, which is why they give the dish a unique flavor when heated. That's why they are so fond of serving with hot dishes. Grain mustard is ideal for various sausages, meat, cheese, hamburgers, and is a great complement to sauces and salads. Grain mustard is also a classic addition to barbecue marinades. Store at a temperature of 0°C to +25°C.