11 Dec 2018 --- With veganism hailed the “fastest growing culinary trend of 2018,” according to Tesco, retailers have increased their range of plant-based Christmas dinner centerpiece dishes. 2018 will likely be known as the year that veganism turned mainstream as more shoppers continue to adopt vegan, vegetarian and flexitarian diets and record numbers are set to enjoy meat-free feasts during the festive season this year.