1. A bean dregs is the bean dregs left after making soybean milk once. 3. Take two spoonfuls of refined flour. 4. Knock an egg into the bean dregs and add two spoonfuls of flour. 5. Mix it into batter and add a teaspoon of salt. 6. Add a little chopped green onion. You can add more if you like. Mix evenly. 7. Heat two spoonfuls of hot oil in a non-stick pan and bring to the boil. 8. Pour in the batter and spread it out. 9. After the batter becomes a cake, turn it over and continue frying. 10. Until both sides are slightly yellow and fragrant, you can do it (I don't pay attention to shape, I'm in a hurry in the morning, just peel it open with a shovel). 1 1. A simple, economical and nutritious breakfast and a bowl of salted soybean milk. If you like sweet, you can add no salt. Have some with your meal.