Yongji Sour Soup Lamian Noodles, What's the best way to make Sour Soup Lamian Noodles?

The practice of sour soup Lamian Noodles

When the oil is 60% hot, add chopped green onion, Jiang Mo, minced garlic, pepper and oil, stir-fry until it is fragrant for a while, add vinegar, and stir-fry for three times according to the taste. When the oil temperature rises to 90%, add appropriate amount of water (broth is better) and salt. After boiling, add a little monosodium glutamate, stir and turn off the heat. Sour soup comes out of the pot. Then below, clear soup is cooked. After the noodles are cooked, take them out, pour in sour soup and add a little red oil.