Lunch at Bar Avalon ends with a curious ritual: Nathaniel Muñoz, the restaurant’s garrulous sommelier and general manager, hands you a baseball card. It’s the glossy, ’90s-era Topps variety, with a squiggle of black Sharpie across the front
to customers who may or may not care about baseball? Because he and chef Joshua Guarneri are baseball fanatics and they want to put their personal stamp on the restaurant, Muñoz told me recently. Also, it’s fun. Bar Avalon is the first California