How can you turn a bunch of asparagus into a genuine elegant gourmet dish, without a single piece of meat? Celebrity chef Dominique Crenn will be bringing all her top tips to an online course devoted entirely to “elevated” vegetarian cooking, available on the MasterClass streaming platform. Tomato, melon, leeks, mushroom, cabbage and cheese. This is Dominique Crenn’s menu to teach viewers all they need to know about vegetarian cuisine. Based in San Francisco, the French-born chef, who has earned the recognition of her peers with her ultra-meticulous dishes composed of highly precise tastes, a…