Why do some women have to be like this? I honestly don't get it. I agree with the others, be confident in yourself. What you packed sounded fanastic! Picking on goldfish crackers? Honestly???!!! Its not like you sent a lunchable and dunkaroos and a fruit roll up for goodness sake!
I would ignore her. She is clearly unhappy in her own life and is jealous that you are such an amazing mom. Stay as far away as possible when you are there who needs that!
In the words of the Youtube video that has gone viral, courtesy of Sweet Brown: "Aint nobody got time for that!"