Step 1

In a medium bowl, whisk together the oil, orange juice, lime juice, salt, cumin, oregano, red pepper flakes, pepper, and garlic.

Step 2

Make slits in the pork with a paring knife and rub liberally all over with the oil mixture.

Step 3

Place pork in the slow cooker, along with the onion and bay leaf. Pour the remaining juices from the bowl over the pork.

Step 4

Cover and cook on low for 8 hours.

Step 5

Transfer pork to a cutting board and let cool slightly. Using two forks, shred into thick chunks.

Step 6

Serve with cilantro-lime rice and black beans; spoon some of the sauce over the top.