The Profile Dossier: Christina Tosi, the Chef Who Built a Dessert Empire

"So much of what we learn happens in the mistakes. It doesn’t happen in the perfect moments."

Christina Tosi turned her hobby of making cookies into a delicious, profitable, multimillion-dollar business.

Tosi, the founder and CEO of bakery empire Milk Bar, went to school for engineering because she enjoyed math and science. But after her first year of college, she realized traditional schooling wasn't for her. Rather than solving math problems, s…