3/4 teaspoon chili powder |
1/2 teaspoon ground cumin |
1/2 teaspoon sugar |
1/4 teaspoon salt |
1/8 teaspoon chipotle chile powder or chile powder |
1 pound yellowfin tuna fillet (about 3/4 inch thick) |
cooking spray |
8 (6-inch) corn tortillas |
1 cup sliced peeled avocado (about 1 medium) |
1/2 cup vertically sliced onion |
1/4 cup fresh cilantro leaves |
24 pickled jalapeño slices |
8 teaspoons reduced-fat sour cream |
4 lime wedges |