Madison Vegan Fest is returning in September, celebrating sustainable living and plant-based food. The free, family-friendly festival will be held at Lunney Lake Farm County Park from 11 a.m. to 5 p.m. on Sept. 26. Dozens of exhibitors are expected, including food vendors offering vegan baked goods, beverages and savory dishes. Gluten-free options also will be available. Organizers expect more than 4,000 people to attend. The event welcomes both vegans and non-vegans. Madison Vegan Fest has been held in Madison since 2011.