Place the pinto beans in a large colander. Thoroughly rinse them. Pick the beans over, removing any damaged or clearly misshapen beans and discarding them. Transfer the rinsed beans to a 6-quart or larger slow cooker.
Heat the oil in a medium nonstick skillet over medium-high heat. Once the oil is hot, add the onion, jalapeno, and ½ teaspoon salt. Sauté for 2 minutes, then add the garlic and let cook just until fragrant, about 30 seconds.
Transfer to the slow cooker. Add the sautéed vegetables, bay leaves, cumin, oregano, cayenne, and remaining teaspoon salt. Pour the broth and water over the top.
Cover and cook on HIGH for 8 to 10 hours, until the beans are tender. Discard the bay leaves.
FOR REGULAR PINTO BEANS (not refried): Drain the liquid if you like, or leave the liquid in the crock pot and serve the beans with it, or use a slotted spoon for serving and drain the beans at the end prior to storing. Taste and adjust seasoning as desired.
FOR REFRIED BEANS: Reserve 1 cup of the cooking liquid, drain the beans, and return them to the slow cooker. With a potato masher or pastry cutter, mash the beans until they reach your desired consistency, adding some of the reserved liquid as needed. Taste and adjust seasoning as desired.
Sprinkle with any desired toppings, serve, and enjoy!
