Made with organic milk, strawberries, sugar and tapioca starch, with natural flavourings and lemon juice.

Mix together the flour, tapioca starch, guar gum, baking powder, salt and sugar in a large bowl.

Gone are the more recherché ingredients, the lecithin granules, the vital wheat gluten, and the tapioca starch he uses to mimic the elasticity of melted cheese.

Consumers may expect a chicken sandwich to contain just meat but a study of some labels also found it contained corn flour, salt, water or tapioca starch.

Wheat-free millet flour, buckwheat, flax seed meal, corn meal, quinoa flour, chia seed flour, tapioca starch or flour, and others can be used as substitutes.