Long before anyone realized that gluten-sensitivity was an autoimmune disorder, Elisabeth Prueitt endured the daily discomforts of developing the pastry recipes that would turn Tartine Bakery & Cafe into San Francisco's most popular destination for the carb-loving, all-day brunch crowd. It wasn't until she switched to naturally leavened breads made from heirloom grains that Prueitt's symptoms finally subsided. More than a decade later, she and her husband, Chad Robertson, are expanding to a fourth Bay Area location, with their largest retail operation yet coming to Downtown LA’s Arts District later this year. Prueitt’s new book, “Tartine All Day,” shares seasonal recipes and techniques for the modern home cook. Find a recipe for Prueitt’s buckwheat crêpes on the “Good Food” blog.