well no...no they don't. They have these new milkshake mixer machine things for the parfaits and the other new shakes. I haven't been inside a Wendy's to see HOW they are handled and made...that is what would make the decision for me.
Like...watching for human error...I've watched softserve and yogurt places push the spout down into the dish AFTER to put more in, after something (like nuts or PB) was already in the dish/cup.
One day last week I screamed at a Pinkberry employee in our student union. I can have the plain, so I get that and bring my own fruit. And their plain machine is always their plain machine --- the reason actually being food allergies and the student population. So --- the kid fills up a dish, tossed stuff in, and then the girl asked for more yogurt. There was squish...into the dish...with the spout. She had Reeses or something broken up pb cup on hers, and he gets the plain spout super close (squish) and then dispensed. I've been lucky thus far.
I was rather "outloud" about his procedure, the manager came over, and he said he'd make sure everyone was trained. I just kinda was like, "Yeah, good luck with that. I will never enjoy a Pinkberry ever again" and walked out.
Anyway - my point...is I think you'll have to go in and watched how things are dispensed. I'm guessing, a straight up Frosty will just be pulled into a cup and that's that. But you'll have to see.
Adrienne