Just say cochinita pibil in the Yucatan (or practically anywhere in Mexico nowadays), and thoughts of celebration come to mind. After all, in all its glory, we’re talking a whole pit-cooked pig, smeared generously with the unique savor of rusty-colored achiote seasoning and served with the meaty cooking juices, a drizzle of habanero fireworks and the citrus-sour of pickled red onion. Truth is, you can make a delicious, satisfying, simple version of Mexico’s big-deal cochinita pibil for an…