This week, we get a culinary tour of Turkey with food writer Robyn Eckhardt from her new book, Istanbul and Beyond; San Antonio food critic Mike Sutter eats a taco every single day for a year; contributor Dan Pashman of The Sporkful podcast makes Rosa Parks' peanut butter pancakes; and our recipe for Trapanese pesto, Sicily's spin on the Genovese classic; plus Christopher Kimball explains divided fermentation.