Seasoned Los Angeles chef and restaurant consultant Eric Greenspan, who has been linked to the Tesla Diner since last year but hasn’t spoken to the media about it, commented on one of Musk’s posts: “Let’s make happy people. And pie shakes.”

Tesla enthusiasts began lining up outside Elon Musk’s long-awaited Tesla Diner & Drive-In in Hollywood early Monday, eager to get their first glimpse of what’s inside.

The Tesla Diner & Drive-In, a long-awaited and hyped facility that combines retro nostalgia and futurism with the automaker’s fast-charging network, officially opened at 4:20 p.m. Monday in Hollywood, California.