Tostadas al Pastor | Co+op

Ingredients

• 1 1/2 pounds pork shoulder roast with bone
• 1 small onion, chopped
• 1 8 oz pineapple chunks in juice
• 1 small orange, juiced
• 2 tablespoons white vinegar
• 2 tablespoons chili powder
• 4 large garlic clove, halved
• 1 teaspoon salt
• 1 teaspoon dried oregano
• 1 teaspoon ground cumin
• 1 medium lime (optional)
• 12 corn tortillas
• 1 15 ounce can of black beans, drained and mashed
• 1 avocado
• 1/4 cup cilantro leaves