Heat a large skillet over medium heat and add 2 tablespoons of vegetable oil. Sear roast on all sides until golden brown. Prepare marinade by combining brown sugar, soy sauce, and garlic. If desired add can of chipotle peppers into the pressure cooker before cooking. Pour the marinade on top of the meat before you cook it whether you cook the marinade in the slow cooker or the pressure cooker.
Pressure Cooker Directions
Pressure cook on high for approximately 60 minutes. Release naturally and pull pork apart with two folks.
Slow Cooker Directions
Place pork butt roast and marinade into slow cooker. Cook on low for about six hours or until the meat begins to flake easily when pricked with a fork.