Levain Bakery is a US-based baking company founded in 1995 in New York City by Connie McDonald and Pam Weekes. They are renowned for their signature 6 oz Chocolate Chip Walnut Cookie, which has become an American classic and has been featured in Vogue, Bake Mag, and Delish.com. They offer a variety of cookies, bake-it-yourself dough, and other delicious baked treats, with both nut-free and brick-and-mortar options across the Eastern Seaboard.