Fry the onion and garlic for 5 minutes in an oil-coated saucepan on low heat. Once caramelized, add the chorizo and the ham bone and fry for a few more minutes.
2. Step
Add the paprika and the beans, stir a little and cover with water. Add the vegetables and season with salt and pepper.
3. Step
Bring to boil, lower the temperature to medium-low, and cook for about two hours with the lid on. During this time add half a glass of cold water twice.
4. Step
Half an hour before the end of the cooking time, add the potatoes. Finally, remove the ham bone and bay leaf, mash the vegetables and return to the pot.