Pre-heat oven to 375°C
Pre-heat dutch oven, or other heavy bottomed pan on stove
Sprinkle salt, pepper, cumin and smoked paprika on pork butt
Add olive oil to pan, then add meat
Sear on all sides, about five minutes per side
Take meat out and add diced poblano and onion. When softened and translucent (around 5 minutes), add garlic. Careful not to burn the garlic!
Add meat back into pan, and add fluids.
Bring to boil, cover with lid, and pop in 375°C oven
Check periodically, at least once an hour, turning meat with tongs, and ensuring even caramelization. Add more liquids if meat starts to burn before being fully braised