Levain Bakery is an Upper West Side staple that pumps out deliciously warm and hearty cookies attracting flocks of New Yorkers and tourists alike. Their original location opened in 1995 and the business has flourished since. They now have multiple locations throughout New York, the Hamptons, and Washington, DC. Have a sweet tooth? Come here hungry and leave more than fulfilled after indulging in their signature 6 ounce chocolate walnut cookie which is a meal in itself.