Upscale, plant-based destination Avant Garden clearly knows how to throw a themed dinner. Every month, the East Village eatery hosts a six-course Jain tasting menu that feels as thoughtful as it is memorable, a glimpse into just how far vegetables can be pushed when treated with real imagination. For Cinco de Mayo, the restaurant is … This kosher vegan restaurant is hosting a Mexican-themed family-style dinner on Cinco de Mayo