I wonder if they charge the extra when paying with a snack credit? When we've used dining plans, we've never been charged any upcharges that we get charged when paying OOP. This includes upcharges for allergy meals and this would for some be the allergy option. Since it's Starbucks and not Disney I'm not sure how it would work. If it was strictly Disney I would say you likely wouldn't get charged when paying with credits. It'll be interesting to hear back from somebody who actually orders it and pays with a snack credit.