Sarah Kieffer is the author of Baking for the Holidays, 100 Cookies, 100 Morning Treats, and The Vanilla Bean Baking Book, the blogger behind The Vanilla Bean Blog, and a contributor to major food publications. Her recipe for bang-the-pan cookies went viral after she introduced it in the New York Times (it’s delicious and ingenious!). She takes all her own photographs for the blog and shoots photographs for other cookbooks, including Bread in 5. She lives in Minnesota.