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McDonald's announced the fan favorite Shamrock Shake is returning to the menu starting February 21st! McDonald's also said:
"The only thing more refreshing than the delicious taste of a Shamrock Shake is the way that minty green hue makes the 'will-winter-ever-end' blues go away, in our 50+ years of serving up this tasty treat, we've never given away the secret ingredient that makes Shamrock Shake green so iconic. Until now."
Fans will be able to use special QR codes to unlock different secret ingredients of the beloved Shamrock Shake!