Slow Cooked Carnitas Tacos

Bahan-bahan (4 porsi)

• 2 pounds boneless country style pork ribs or pork shoulder
• 2 teaspoons salt
• 2 teaspoons ground black pepper
• 2 teaspoons dried oregano ((preferably Mexican))
• ½ large onion, (cut into 4 pieces)
• 1 large avocado, (halved, pitted and sliced)
• fresh cilantro
• 1 medium red bell pepper, (sliced)
• 8 medium tortillas ((corn or flour))
• 1 cup green chile salsa