1. Squeeze the coarse grain flour, 40g of soybeans, 40g of mung beans, 50g of crushed corn, and 50g of yellow rice into a food processor and break them up.

2. Add 350 grams of plain flour, a tablespoon of salt and 5 grams of baking soda to the mixed grain flour, slowly add 500 milliliters of water and mix well.

3. After mixing well, press with a spoon for 10 minutes to make the batter thicker.

4. Now mix a sauce:one spoon of sweet noodle sauce, one spoon of sesame paste, one spoon of oyster sauce, one spoon of cumin powder, add the right amount of cooking oil and mix.