Legal Sea Foods, the 31-unit casual-dining chain, has tapped a top mixologist to help upgrade the restaurants’ bar operations. The 200-unit P.F. Chang’s is employing back-of-the-house staffers to juice ginger and purée hibiscus for its progressively more adventurous drinks menu. And Cheeseburger in Paradise, with 33 locations, recently featured upscale reposado tequila in a popular, premium-priced promotional cocktail.
The creative spirit increasingly common in the