Image courtesy of Phillyberg Dish of the Week: BLTs Where: Cafe Saint Ex, Market to Market Everyone is craving summer after the recent Arctic blasts. For me, a perfect BLT screams summer, with its ripe sun-warmed tomatoes, crisp lettuce, salty thick-cut applewood-smoked bacon, and a smattering of mayonnaise. It’s amazing how something so simple and easy to make can be so delicious. Food writer Michael Ruhlman even held a contest last summer to create…