Place pork roast into bottom of slow cooker. Sprinkle with diced onion, jalapeno, and garlic.
Pour the tomato sauce over the roast and sprinkle green chiles.
In a small bowl, combine the brown sugar, chili powder, cumin, smoked paprika, chipotle powder, oregano, and salt. Sprinkle over the roast. Cover and cook on LOW for 10-11 hours or until pork is tender.
Remove pork to a large bowl and shred. Toss with 1 cup of the cooking liquid from the slow cooker and the fresh lime juice. Add more liquid as needed to keep the meat moist.
Notes
STORAGE: Store cooled leftovers in an airtight container in the refrigerator for up to 5 days.
FREEZER-FRIENDLY: Freeze completely cooled leftovers in a freezer-safe container for up to 1 month.
NUTRITION: Since different brands of ingredients have different nutritional information, the information shown is just an estimate. This website is not intended as nutritional advice, or a diet or health plan. Readers of this website are ultimately responsible for all decisions pertaining to their health.