1, eggs: Whether making fried dough sticks or oil cakes, adding eggs to flour has two functions, one is to enrich the taste and nutrition, and the other is to add eggs to make the oil cakes more fluffy and crisp.

2. Edible oil: The "crisp" in "crisp" refers to flour and edible oil. When cooking oil is added, the food will become brittle. Therefore, when frying oil cakes and noodles, you must add a proper amount of cooking oil, which will have a good crispy effect. Better add lard.

3. Baking soda: Adding baking soda to flour can make dough more fluffy. Add a little when making fried dough sticks, cakes and biscuits to make the food more crisp. You can also put some fried cakes, but pay attention to the proportion. 100 g flour and 1 g baking soda are enough. Too much will make the taste bitter.