"mise en place" or prep work (not the one you mention in your comment) is important. you'd be surprised how much time is wasted chopping onions, boiling veggies

"mise en place" or prep work (not the one you mention in your comment) is important. you'd be surprised how much time is wasted chopping onions, boiling veggies, marinating meat, etc. these should be done in advance if not the day before.