They came out pretty well. Spicy, though; I took advice from comments and upped the spicing a bit. Oddly, my wife minded the spices more than I did, which is weird. Then again, I took the precaution of eating this stuff along with a beer, which is of course what one drinks when eating carnitas.
I also took a nap after putting this stuff together, so I can say authoritatively that they taste just fine cold.
The recipe is so interesting I saved it for later. Thanks for the heads up on the spiciness – I’ll probably have to ease off on the spices, as I have two family members who aren’t into that at all.
Bear in mind that I increased the spice levels from that recipe, so you may be OK if you just use theirs.