For those who have been eagerly awaiting the arrival of a 100% legitimate gluten-free flour, as in “can’t tell the difference,” you might want to break the baking gear out of storage: it’s cake and waffle time, thanks to Cup4Cup. Chef Thomas Keller along with Lena Kwak, research and development chef at The French Laundry, teamed up to knock a very important task out of the park. Because that’s the only way they do things.