Marcos Sierra has a not-so-secret identity in his hometown of The Bronx. He is El Flanadero (in English, roughly, “The Flan Man”). Actually, El Flanadero is the name of Sierra’s company.
For the unfortunate unitiated, flan is a delicious delicacy, a free-standing custard served for dessert throughout the Spanish-speaking world. (The kind of flan we’re talking about here is the one also known as crème caramel, not the savory pies...