We had problem with french fries cooked at Perkins because they also do
their cheese curds in the same oil. I mention this because it took
several trips and a year to figure that out.
> Recently our daughter, who has a dairy allergy, had violent diarrhea
> immediately after eating some french fries, I suspect, at a chain
> restaurant (Friendly's). Two weeks prior to that the same thing happened
> at another local restaurant after eating french fries. So I put two and
> two together. My question
> is this: how widespread is this problem with french fries? Are they
> often coated with whey or is it cassein, or what? Should frozen french
> fries be avoided, generally? Thanks for any information.