Boiling method of onion oil:

Heat the pan, pour in 1.2kg of cold mixed oil, first add in 30g of star anise, 30g of fragrant leaves, 20g of Alpinia katsumadai and 100g, wash the mashed ginger, heat it on medium fire, cook it for about10min until it is fragrant, and then add in 150g of mashed garlic seeds and dried onions in turn. After about 30 minutes, the oil turns golden yellow. Finally, add100g of coriander, continue to cook for10min, filter with a fine sieve and gauze, take out the pan and pour into a container. Seal with plastic wrap, and let stand for 12 hours before use. Tastes better.