Out of all the companies that specialize in gluten-free products, Bob's Red Mill is perhaps the best-known and most praised. Erin McKenna, owner of Babycakes, a gluten-free bakery in New York City, and author of the Babycakes cookbook, says Bob's gluten-free all-purpose flour is so good she would "collapse in a tear-drenched tantrum if they ever stopped making it." More