葱油饼 are pancakes made with thin layers of dough wrapped around chopped spring onions.
Spring onion pancakes are best enjoyed hot from the pan, when they're crispy, flakey, and fragrant. When you tear the pancake, the soft, fluffy layers inside separate easily. Good 葱油饼 isn't excessively oily although it's fried in hot oil.
Follow these tips to avoid soggy, oily and rubbery spring onion