Cazuela de Bistec Ranchera

Steps

1. 1
   Chop and cook the string beans in a pot with a pinch of salt until tender.
2. 2
   Heat oil in a cazuela (earthenware pot), then add the chopped beef, seasoning with salt and black pepper.
3. 3
   Add chopped onion and garlic to the beef and cook together until browned.
4. 4
   Chop the tomato and serrano chili pepper, add to the pot with a pinch of salt, and cook everything together until well combined and browned.
5. 5
   Chop the mushrooms and add them to the pot, cooking together with the beef.
6. 6
   Finally add the cooked string beans to the pot and let everything combine well. Cook briefly until fully ready to serve.