Yes, with enough practice you can get an onion chopped in less than a minute, and for what it’s worth I do it more or less the way you describe. But we have th

Yes, with enough practice you can get an onion chopped in less than a minute, and for what it’s worth I do it more or less the way you describe. But we have the same problem again: chopping an onion for one minute takes more than one minute. I probably need to spend a few minutes clearing some space, because my kitchen is small and tends to be in less than perfect order. Do I have a clean chopping board to use? No, then I need to clean one. Is my preferred knife for chopping onions clean? Same thing. What about the onions, what type of onion was I supposed to use, and how many? Better check the recipe again. Then I need to check the onions I have, pick which ones to use, do they look ok or did they start to spoil? And sometimes they’re just terribly hard to peel. Then after I’m done I need to collect all the little peels and other leftover bits and put them in the composter - which is getting full so I should probably change it. Add this up, consider that I needed to chop more than one onion and that my technique is less than perfect, and it easily takes 5–10 minutes.