My love affair with Chick-Fil-A’s seasonal Peppermint Chip milkshake is no secret. My only regret is that I’m not able to feel its cooling, delicious love coursing through my system for most of the year. Enter the Shamrock Shake from McDonald’s. Also seasonal, the Hulk-green beverage promised the same kind of minty affection at a time when I couldn’t get it from Chick-Fil-A. I had one for the first time last night, and, sadly, it was only so-so. Tasty, worth having, but probably not a repeat dessert. I knew the Peppermint Chip Shake, the Peppermint Chip Shake was a friend of mine. Shamrock Shake, you’re no Peppermint Chip Shake. November feels so far away…