The new flavor release coincides with July's National Ice Cream Month.
Those interested must download the McDonald's mobile app to redeem the offer.
McDonald's notes its soft-serve ice cream now has no artificial flavors, colors or preservatives - a change implemented across the restaurant chain starting a year ago.More news: Do you live in the world's laziest country?
One lucky person will also win McDonald's soft cone ice cream for life by being randomly selected among those redeeming their free ice cream.
The free-cones-for-life offer will come in the form of a $312 McDonald's gift card plus a check for $4,680. Instead of infusing the flavours of fries, squeaky cheese curds and brown sauce into an ice cream like contestants might do on Iron Chef, business owner Giapo Grazioli created a sweet-and-savoury poutine dish wherein ice cream is but one ingredient. If you're like us and absolutely adore McDonald's soft serve then look away if you're not in the States. The victor also gets a Golden Arch Card for $312 and a check for $4,680. According to CNBC, the chain has began to change its formula in 2016 to no longer include artificial colors, flavors or preservatives.