The first thing to do is not panic. The figures suggest that just 3% of the adult population is vegan. However, the numbers are increasing, and you should monitor how they change. Tesco’s own brand of vegan foods, rather oddly named Wicked Kitchen, has been going for over a year. It proudly states on its website that it won an award. If they think the demands of veganism are worth covering, then it tends to indicate that it is something…