Smash, a new smashburger spot from chef Ari Weiswasser, has opened in Sonoma. (Heather Irwin / The Press Democrat)

Glen Ellen Star Chef Opens Smash in Sonoma

Chef Ari Weiswasser, the restaurateur behind Glen Ellen Star and Stella, has opened Smash, a fast-casual restaurant on Sonoma Plaza devoted to lacy-edged smashburgers and a family-friendly vibe.