Tụ Tập, due open in July in San Anselmo, will have a rooftop bar with views of Mt. Tamalpais.

If you’ve been curious about plant-based cuisine or looking to expand beyond the usual, next month’s Marin Vegan Chef Challenge is a good time to see how Marin restaurants are putting it on the plate.

In the restaurant business, reaching the 20-year mark is no small feat, let alone twice that. What makes a place worth returning to? For restaurants that endure, the answer goes beyond the basics of ...