1. After mixing the flour and salt, beat in the eggs and slowly pour in cold water. (If you like thick pie, make it thicker, if you like thin pie, make it thinner.)
2. Stir in a circular motion with chopsticks to form a batter, and let the batter stand for a while.
3. Pour the chopped ham and greens into the roux
4. Add a little pepper and mix well.
5. Heat oil in a pot over medium and low heat, pour the batter into the pot, shake the pot to spread the batter on the bottom of the pot. (Don't have too much oil, there is excess oil to pour out after heating the pan.)
6. After frying on one side, turn it over and fry for a while.
