Recipe: Champagne Old-Fashioned at Chez Chez

When Champagne met the Old-Fashioned in San Francisco

Chez Chez’s break-out drink is an unlikely mashup of a classic wine and a classic cocktail.

During a recent trip to San Francisco, I was lucky enough to visit Chez Chez, the new aperitivo-style bar and eatery in the Mission district and probably the most notable new cocktail destination to open in the city in the past six months. The breakout drink at Ch…