2 6-inch corn tortillas
Nonstick cooking spray
1/2 cup light dairy sour cream
1/4 cup snipped fresh cilantro
2 tablespoons fat-free milk
1 teaspoon olive oil
1 large clove garlic, minced
1/2 teaspoon chili powder
1/2 teaspoon finely shredded lime peel
1/4 teaspoon salt
1/4 teaspoon ground black pepper
6 cups torn romaine lettuce
4 plum tomatoes, chopped (2 cups)
1 15-ounce can black beans, rinsed and drained
1 cup fresh corn kernels*
1/2 cup shredded reduced-fat cheddar cheese (2 ounces)
1 avocado, halved, pitted, peeled, and chopped
Snipped fresh cilantro (optional)