There's no way to write a column about iconic Boston dishes without including Barbara Lynch. Needless to say, it's not your average bowl of spaghetti and meat sauce. For one thing, the tagliatelle (which, I was once told by Lynch's local contemporary, chef Dante de Magistris, who makes my other favorite bowl of Bolognese, is the traditional noodle on which this sauce is served in Bologna) is perfect: springy, eggy, and light, with just enough chew. It's my go-to pasta recipe. (Sorry, Marcella.) Meanwhile, the sauce is unctuous and complex, yet straightforward and clean-tasting. More