Finely mince the garlic and then combine it with the rest of the marinating ingredients in the plastic bag.
Close the bag and then shake it up so that it mixes well. Add the steak and shake the bag as long as you make sure that it is fully covered in the marinade mix.
Refrigerate the meat with the marinade mix for 8 hours.
Take the steak from the fridge and wait for it to come to room temperature. Dispose of the marinade and dry it with paper towels.
Fry the meat on all sides in the iron pan. After it's cooked, place the meat on a platter.
Cook the vegetables in the same pan where you fried the meat for 5 minutes.
Mix the previous with the tomatoes, beef broth, salt, and pepper. Add the meat and increase the heat to a boiling point. Then lower the heat and let it simmer. Cover the pan to make sure that the meat is cooked evenly.
After 2 hours of cooking, remove the meat and wait until it cools own. At the same time, cook the vegetables and only remove them from the heat once there is no more liquid left in the pan
Shred the meat using your fingers.
Cook the meat with the vegetables.
Make sure that the tortillas are hot before you place the meat mixed with the vegetables in them. They need to feel kind of fat, keep in mind that burritos are not tacos and they have this bulgy feel.
Burritos need to be warm. You can serve them with salsa made of chile, cream, and lemon juice