NYT Cooking: This recipe is based on Jim Lahey’s recipe from 2006, with a few modifications for the sake of precision and a touch of acid to improve dough strength. Unlike Mr. Lahey’s recipe, this one does not require handling a hot Dutch oven. You’ll need one metal heatproof bowl (no rubberized bottoms) around 11 to 12 inches in diameter, a second bowl of any material around 8 to 9 inches in diameter, a sc...