Negotiating where to have dinner can be one of the more fraught aspects of dating. We like to table potential objections with a place that does Japanese and Spanish with equal brilliance. Chef Tracy Chang’s casually hip Central Square eatery reflects her passions and range: Don’t be surprised if you find true romance lurking amid her raw and cooked seafood plates, beautiful bowls of ramen and classic Basque-inflected tapas. Then there’s the desserts like smoked purple yam ice cream and a stellar bar program, including shareable sips like the Rhubarbra Streisand’s fruity mixture of house-blended rum and lime.