because she thinks that's what a little girl who has left all her toys and her home and school would like best to eat to make them less sad. She's obviously had something about what can happen in domestic violence cases explained at school. (they're collecting for a Refuge)
The list however suggests dried or tinned goods but especially tea, coffee, tinned meats and fish as that is what they're short on. DD is horrified by the idea of presenting "that little girl with two tins of tuna, because she'll want macaroni cheese to cheer her up mummy"