yes, I get what you mean about the pool of liquid in the centre, my wife is Asian and I've seen her using that technique before. You're right about pans gettin

yes, I get what you mean about the pool of liquid in the centre, my wife is Asian and I've seen her using that technique before. You're right about pans getting warped, I have this issue from time to time with my carbon steel pans, luckily it is an easily fixable issue (using a sturdy rubber mallet on a pre-heated pan is my favourite method).