While the world’s top chefs have direct access to premium ingredients, complex recipes and state-of-the-art appliances, they, too, fall for guilty-pleasure foods, shortcut ingredients and other foods nobody tells us novices about. Until now… To get the inside scoop on the best online food buys, I asked eight chefs to share the snacks, condiments and cooking must-haves that bring them the most joy when not on the line and firing up other people’s orders. Here are their picks.  Torres black truffle potato chips  Executive Chef Michael Quigley isn’t apologizing for his love of these salty, umami-bomb chips. Torres There’s no…