The color purple isn't an unusual one for milkshakes and smoothies, but this McDonald's Purple Sweet Potato Milkshake gets its color from a root vegetable rather than blended blueberries.
The unusual purple milkshake flavor is being introduced to McDonald's Japan for a limited time for the fall, making use of a fall vegetable in an unconventional way. The Purple Sweet Potato McShake combines the purple yam with a creamy vanilla, so that the beverage is sweet rather than savory. If you are one who has trouble downing vegetables on a regular basis, this could be one refreshing way to quench your thirst and dig in to something that you might only eat for lunch or dinner, while on the go.
Purple Potato Milkshakes
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