Directions

1. Blend until smooth the chilies, oil, pineapple juice, garlic, vinegar, oregano and salt and pepper in blender. Simmer in saucepan 15 minutes. Marinate pork in mixture 4-12 hours, refrigerated. Discard marinade.
2. Roast pork, covered, with pineapple cubes at 350 degrees F for 2 hours. Cool slightly and shred pork; serve with onion, cilantro in tortillas. Roll tightly.