These tacos are a fresh and flavorful way to enjoy flank steak. The steak is seasoned with cumin, chili powder, and garlic, then grilled and sliced thin. The avocado salsa is made with ripe avocados, tomatoes, red onion, and lime juice, and adds a creamy, tangy flavor to the tacos. Serve with warm tortillas and your favorite toppings for a delicious and easy meal.