>A woman, who had a young baby, had pumped some of her milk and stored it in the frig. They were having hubby's boss over for dinner and in the rush of preparing a nice meal, she realized she had used her milk in the dessert by mistake instead of cow's milk.

Sounds like what happened in our lab when I was in Zürich - an Italian colleague brought her infant with her to the office, pumped off some of her milk and let it in the fridge near the coffee machine.
In the next group meeting (same afternoon) some people complained that the coffee tastes so strange with the new coffee cream...