Short of hiring a new staff, consider giving subpar workers a chance to improve. Tell them why they're not measuring up and give them a set amount of time to make specific improvements.

I trust that McDonald's can find a way to sell all-natural chicken without raising their prices; we did that at Shake Shack. It is more expensive, and we took a slight margin hit, but we did it. And if we can do it, I know that much bigger companies can.

Whole Foods has been brilliant at changing the way food is produced because they just won't buy it if it doesn't meet their standards.

Danny Meyer Quotes