Pork Medallions With Cranberries and Apples

INGREDIENTS

• 1/2 cup apple juice
• 1/2 cup chicken broth
• 1 tablespoon brown sugar
• 1 1/2 teaspoons cornstarch
• 1/2 teaspoon salt
• 1/4 teaspoon dried rubbed sage
• 1/8 teaspoon fresh coarse ground black pepper
• 1 (1 lb) pork tenderloin, trimmed
• 1 tablespoon flour
• 4 teaspoons olive oil, divided
• cooking spray
• 1/2 cup finely chopped onion
• 1 cup thinly sliced peeled apple
• 3/4 cup fresh cranberries
• fresh sage sprig (optional)