What is the official name of this attraction? I don't know what to look for or to say what I want to book.
The cooking class is put on by the Uncorked which is a company that offers wine tours out of Santiago. You should contact Uncorked to make a reservation at the cooking class: Jose Miguel, or look up their website since Tripadvisor does not allow me to include it in this answer:
UNCORKED WINE TOURS
Obtén respuestas rápidas del personal y los visitantes anteriores de Uncorked Cooking WorkShop.