No they don't.
Salt
do you like french fries?
You open the freezer and put the french fries in. It's very easy.
it is hard to tell but try and shake the salt off of the chips and find out!!
There was no such enzyme - it is an urban legend. McDonalds has been the victim of a great many urban legends over the years.
In Amsterdam, as in the rest of the Netherlands and also in Belgium, most people put mayonnaise on their french fries.
salt
French fries are both. You have processed fries, and you have natural cut fries. Processed fries go through many processes and machinery to get as good tasting as they are. Natural cut fries are just sliced and put in the oven, such as Wendy's fries or home fries.
brown
In Pulp Fiction, Vincent said that Dutch people put mayonnaise on their french fries in Amsterdam.
Chips or if you're American french fries
mayones