Ask the butcher to cut the meat into very thin slices. Cut these slices into small pieces.
Cut up the bacon slices into small cubes.
In the blender blend the serrano peppers (remove stemsfirst), the tomato, half an onion, the garlic cloves, the coriander, the tomatillos, the chicken stock and the cup of water.
In a big soup pot heat up the cooking oil and add the bacon pieces. Stir them until they are crunchy and then remove them and keep them on a plate.
Add the meat to the soup pot and stir it until the meat is sealed.
Add the blended ingredients to the soup pot. the 1l of water, the bean broth, the cooked beans and half of the crispy bacon.
Cover the pot and cook for about 1 hour at medium heat.
After the cooking, taste the carne en su jugo and add salt to your liking if needed.
Serve the carne en su jugo in a soup bowl and garnish with the crispy bacon, onions and radishes, coriander or parsley.