INGREDIENTS
•
1/2 cup white vinegar
•
2 tablespoons chili powder
•
2 tablespoons extra-virgin olive oil
•
2 3/4 teaspoons salt, divided
•
1 teaspoon garlic powder
•
2 pounds flank or skirt steak, trimmed and cut into 3 equal portions
•
1 pound tomatoes, chopped
•
2-4 fresh jalapeño peppers or serrano chiles, seeded and finely diced
•
1/2 cup chopped onion
•
1/2 cup chopped fresh cilantro
•
1 ripe but slightly firm avocado, diced
•
Juice of 1 lime
•
16 5- to 6-inch corn or whole-wheat flour tortillas, warmed
•
1/3 cup crumbled Cotija cheese (see Tip) or other shredded cheese