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  There’s no denying the allure of a salty, crunchy potato chip, and umami-packed Torres black truffle variety is a staple for Executive Chef Michael Quigley of the Fairmont Sonoma Mission Inn and Spa. “I first noticed these at the grocery store several years ago and was instantly hooked,” Quigley said. “When my local store stopped carrying them, I naturally had to turn to Amazon because I genuinely can’t live without them.” “They are ridiculously good: super salty, which I love, and completely addictive,” he added, noting that while best enjoyed on their …