Let’s start with the basics: What is a macaroon? They’re a sweet cookie made with a base of egg whites and sugar, which gets mixed with almond paste, almonds, pistachios, or shredded coconut. Until coconut became available to European and American bakers in the late 1800s, though, macaroons were nut-based. The Macaroon was known … More How Macaroons Became a Passover Food