1: Prepare the guacamole by mixing avocado, onion, and tomato.
2: Cook the ternera until tender.
3: Prepare the corn on the cob.
4: Mix soy sauce, vegetable broth, mustard, spices, and orange to create the sauce.
5: Season the ternera with oregano, garlic, salt, black pepper, and rosemary to taste.
6: Assemble tacos using the cooked ternera, guacamole, and other toppings.
