I would check with her first. She may want something like soup, or yogurt or something like that.
I had meals brought to my house, but I didn't eat them. My family ate the meals, but I couldn't stand very many foods at that time, and also smells would get to me. Even someone warming up chili or something would make me feel sick. And I would be in the other end of the house. Chemo is different for everyone. I would ask.