Mario Batali says 20 percent is a standard tip. Eric Ripert is a fan of the easy math on that, and Anthony Bourdain considers it a "sin" to take kitchen mistakes out on the floor staff's tip.
(Our pal The Bitchy Waiter agrees wholeheartedly.)
The key to good service, Batali says, is to approach the staff with an attitude of: "I'm here to have a good time, and you can help me."
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