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.

It appears Tesla CEO Elon Musk is back to the grind at work. The electric vehicle maker’s investors will be glad to hear it. They will be looking to hear more from Musk this coming week, when Tesla reports second-quarter results on July 23.