They could start by cooking their Fries in lard again, or whatever they did back in the 1960s that made them so good, and made us kids excited when Dad said "lets stop at McDonalds".
They went healthier on Fries by their own doing or by government decree, and they have sucked ever since.
And don't put whipped cream on my chocolate shake. It just takes up more room in the cup with cheep tasteless white stuff and you know it. Here is an idea - how about one or two more pumps of chocolate.