2, onion minced, tomatoes and cucumbers diced, as big as soybeans;
3. According to personal taste, add salt, monosodium glutamate, vinegar (appropriately add more sour taste), white pepper, sesame oil, laver and shrimp skin, and put them in a bowl;
4. After the noodles are cooked with white water, brew the above seasoning ingredients into sour soup with about half a bowl of noodle soup and stir well, then scoop in a proper amount of noodles.