Add two tablespoons of olive oil to your crockpot along with minced garlic and cinnamon sticks.
Remove any excess fat from the pork butt and discard.
Add two pinches of salt and pepper to the pork butt before adding it to the crockpot.
Add sweetened condensed milk, cola, and chicken broth to the crockpot before covering with lid.
Cook on low heat for six to eight hours.
Shred pork by pulling apart with two forks once it has finished cooking.
To Serve
To serve, sauté onions in a skillet with two tablespoons of olive oil until caramelized. Saute the pulled pork to crisp it (optional, but highly recommended).
Add the pulled pork with sautéed onions, diced tomatoes, cilantro, and salsa over a warm flour or corn tortilla.