Al Pastor Marinated Pork

Name: Al Pastor Marinated Pork
Ingredients: 4 ounces dried guajillo peppers, deveined and soaked in cold water for 5 hours; 4 ounces garlic; 4 ounces apple juice; 4 ounces freshly squeezed orange juice; 4 ounces white vinegar; 2 ounces white onion; 1 ounce achiote paste; 1/4 ounce ground cinnamon; 1/4 ounce ground cloves; 1/4 ounce ground cumin; 1/4 ounce dried oregano; 1/4 ounce dried thyme; 4 bay leaves; Salt and freshly ground black pepper; 1 pound pork shoulder, thinly sliced; 2 ounces chopped bacon; Oil, for cooking; Diced fresh pineapple, optional