This recipe is from the post: Glorious Greece: Part 1, Tzatziki
Here is the link to Cat Cora’s recipe for Souvlaki.
Tip: My butcher tells me that pork shoulder is the same cut of meat as a pork butt or Boston Butt, in other words, it IS the shoulder, not a butt. I hope he’s right!
Do marinate the meat for at least 3 hours, but no longer than 24 hours just as the recipe says. The longer it marinates the better it is!