Chicken Parcels with Lemon and Sesame

This was a top favourite dish with my daughter and her friends when they were teenagers. I think they were seduced by the idea of tantalizingly aromatic food to unwrap on the plate. The Japanese seasonings do a lot for supermarket chicken pieces, skinned and trimmed, but for special treats I usually make it with chicken breasts only. It usually pays to buy two or three small chickens rather than pieces because the bones and trimmings make an invaluable stock</