Have you ever wondered why half your Instagram feed is covered in rainbow sprinkles? Blame Christina Tosi, founder of Milk Bar and author of two cookbooks, including Milk Bar Life. In 2008, the James Beard Award-winning pastry chef opened Milk Bar in Manhattan’s East Village, where off-the-wall treats like Crack Pie and Cereal Milk Soft Serve went viral. But Birthday Cake — a gourmet take on the supermarket staple Funfetti — became the bakery’s signature, sparking a kaleidoscopic revolution.(read more)