1. Snake gourd wash
2. Shred
3. Shredded red pepper
4. Scallions, cut into sections
5. Prepare Douban
6. Stir-fry watercress in a frying pan over low heat until fragrant
7. Stir fry together with green onion
8. Pour in shredded snake gourd and shredded red pepper and stir fry
9. Pour in oyster sauce
10. Pour the vinegar and stir fry
11. Add chicken essence and stir fry it out
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