Pret A Manger is converting last few all-veggie outlets

However, producers of meat-substitutes have run into difficulties over the last year as they fought for space in a crowded market and there are other signs that the boom in specialist vegan products could be losing steam. A vegan restaurant, in Macclesfield, said earlier this month it would start selling meat products saying it was “very difficult to stay in business” selling only vegan food.