Hannah Glass, 19, broke out in hives and became violently ill on Nov. 5 after consuming the chocolatey treat, which contained roasted peanut flour, a substitute for wheat flour, according to her devastated family, who opted to donate their daughter’s organs after her body completely shut down.

Facebook screengrab from NNMG Food Allergic Families A 19-year-old college student with a severe peanut allergy died after she took multiple bites of a brownie made with peanut flour, her family said.