Put the chiles in a blender jug with the hot broth and wait for 10 minutes.
Meanwhile, saute the onion and garlic in a skillet until soft and then transfer the onion mixture into the blender.
Add the cumin, chiles, tomatoes, coriander, salt, and pepper.
Puree until smooth.
Heat the oil and lard or butter in a pan and saute the beef in there with the chiles for several minutes.
Season the meat with salt, pepper and oregano.
Take the pan off the heat and pour in the pureed sauce, mixing well.
Put the meat and sauce and cook for 20 minutes until become tender.
Then season with more salt and black pepper to taste and serve hot.
Enjoy!