1. Mix the flour with water and make it flocculent. Do not add too much water.
2. Cut the green onion into pieces, and cut the tomato into pieces
3. Stir fry with soy oil and green onions
4. Add tomatoes to low heat and stir fry more
5. Add water to a boil on high heat, simmer on low heat
6. If it is not sticky enough, add some starch
7. Add coriander out of the pot
Tips:Do not add too much water to control the flour, I'll start!
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