Yucatán Style Pork

Name: Yucatán-Style Pork
Ingredients: 1 3 ½- to 4-pound pork-loin roast; 6 ounces pitted dried prunes (about 1 cup); 1 tablespoon olive oil; 6 garlic cloves, peeled; 1 large onion, quartered; 1 cup apple juice; ¼ cup cider vinegar; 3 tablespoons chili powder; 1 tablespoon salt; 1 teaspoon dried oregano; 1 cinnamon stick