
Slow cooker times may vary depending on the age of your beans. The first time you make the beans, please check them after 3 or 4 hours on HIGH and continue cooking longer if necessary. If the beans have any crunch to them at all, please cook them longer.
Drain and discard soaking liquid. In a 3-quart saucepan, sauté bacon until it begins to crisp, about 5 minutes.
Add onions, bell pepper, cumin, and 1/2 tsp. salt. Continue to cook about 5 minutes longer, until vegetables are softened. Stir in garlic and oregano and cook until fragrant, about 30 seconds.
Add water, beans, bay leaves, and red pepper flakes. Bring to a boil. Pour into a large crock pot and cook on HIGH for 3 to 4 hours or LOW 7 to 8 hours (see notes).
Remove and discard bay leaves. Add cilantro and lime juice and season to taste with salt and pepper.