The council might have dealt with this better, but the meals are actually ok. In fact, they've been carefully chosen over the past few years, as A&B have changed their policy regarding healthy eating over the past few years.
There are baked potatoes with various fillings available every day as a stand by. Then there are two choices of main meals, along with soup and/or a pudding every day.
Children are allowed to put what they like on their plate. She's obviously had days when she doesn't fancy anything. What do the catering staff do? Make her take food she won't eat, or just let her take what she will eat?