The people in Northern China love to eat leek, they use leek to make dumpling, fried egg, stir fried with meat, always cook all the dishes with leek. Due to the weather, they just can buy the cheap leek during summer and autumn. Therefore, the northern people in China grind the leek before winter into sauce for whole year use. The master who serves their guest with leek sauce in any dishes will receive the compliment. Storage Condition: Keep away from direct sunlight and store in cool dry place. Once open please keep refrigerated. Ready to eat.