Just add a little baking soda, here is how to do it:

Preparation materials: 1000g flour A, 80g old noodles A, 3 eggs A (161g), 350g warm water A, 50 grams of flax oil A, a small amount of baking soda or (alkali noodles) B, a handful of green onions C, an appropriate amount of salt C, an appropriate amount of turmeric C

Preparation steps:

1. First, combine ingredients A ( Except for the flour), pour it into a basin. Remember to tear the old noodles into small pieces and put them in. Then pour in the flour, mix and knead until smooth. Cover the pot and let it ferment overnight

2. Let it grow into a honeycomb shape, (each Remember to take out a little old dough for next time) and put it in a fresh-keeping bag and put it in the refrigerator

3. Add an appropriate amount of baking soda to neutralize the sour taste, sprinkle a little baking soda and knead Knead evenly and let it sit for 5 minutes. Pat the dough with your hands. If you hear a "bang bang" sound, it means the pH is appropriate; cut it with a knife and there is a small air hole, and then smell it with your nose. If there is no sour smell, it means the baking soda is placed properly

4. Roll out the dough and pour in an appropriate amount of oil and turmeric (or bitter beans)

5. Pick up one side and fold it in half to spread the oil and turmeric evenly

6. Put Add the chopped green onion, sprinkle some salt, and roll it up

7. Cut it from the middle and divide it into about 55 grams each

8. Roll it up, flatten it and roll it into a small round Pancake, just bake it until cooked

9. The baked pancake is very soft

10. Picture of the finished product