1 tablespoon olive oil, divided |
1 (8-ounce) flank steak, trimmed |
1/4 teaspoon salt, divided |
1/4 teaspoon black pepper, divided |
2 cups thinly sliced white onion |
1 teaspoon dried oregano |
2 teaspoons bottled minced garlic |
1/2 teaspoon ground coriander |
2 (4-ounce) packages presliced exotic mushroom blend |
1 poblano pepper, seeded and thinly sliced |
8 (6-inch) corn tortillas |
1/2 cup (2 ounces) shredded reduced-fat mexican blend cheese |
1/2 cup refrigerated fresh salsa |