arden kept his charges well hydrated and content by lugging around a cooler box filled with cans of ice-cold coffee , energy drinks , fruit juice and mineral water and , when the days shoot extended into the evening , he phoned for local restaurants to deliver picnics such as barbequed tandoori chicken thighs , flattened loaves of chapatti bread and exquisitely curried lentil dishes of dhal for their on-set repast .