Steak:
1 tablespoon chili powder
2 teaspoons grated lime rind
1/2 teaspoon salt
1/2 teaspoon chipotle chile powder
1/4 teaspoon freshly ground black pepper
1 (1-pound) flank steak, trimmed
Cooking spray
Salsa:
1 cup diced peeled avocado
3/4 cup finely chopped tomato
1/3 cup finely chopped Vidalia or other sweet onion
1/4 cup chopped fresh cilantro
1/2 teaspoon grated lime rind
2 tablespoons fresh lime juice
1/4 teaspoon salt
1/4 teaspoon hot pepper sauce (such as Tabasco)
Remaining ingredients:
8 (6-inch) corn tortillas
2 cups very thinly sliced green cabbagev