These croissants are made with charcoal and have no butter - here's how they tasted

• London cafe Coco di Mama sells a croissant made with activated charcoal.
• The charcoal gives the pastry its black colour.
• The croissant is also vegan and made with sunflower margarine instead of butter.
• The croissants cost £1.80 to take away and £2.15 to eat in.

Produced by David Ibekwe.