-
In a bowl, stir together orange juice, tomato paste, chile pepper and adobo seasoning. Set aside.
-
Spray inside your slow cooker with cooking spray. Place pork shoulder in slow cooker. Pour orange juice mixture over pork. Cover; cook on LOW 8 hours or on HIGH 4 hours or until pork is tender.
-
While pork shoulder cooks, combine drained tomatoes, onion and cilantro in small bowl; cover and refrigerate.
-
Remove pork from slow cooker; pull apart to shred. Return to slow cooker; stir.
-
Divide pork evenly between tortillas. Top each with tomato mixture. Add your choice of shredded cheese, if desired.