Skirt Steak Tacos with Roasted Tomato Salsa

Name: Skirt Steak Tacos with Roasted Tomato Salsa
Prep time: 15 min
Cook time: 10 min
Total time: 25 min
Cuisine: Mexican
Ingredients: 8 (6-inch) flour tortillas; 1 1/2 pounds skirt steak; 2 tablespoons canola oil; Salt and freshly ground black pepper; 1/2 head romaine lettuce, thinly shredded; 1 medium red onion, thinly sliced; 1 ripe avocado, peeled, pitted, halved and diced; Grilled Tomato Salsa, recipe follows; 8 ounces sour cream; 2 tablespoons canola oil, plus more for brushing tomatoes; 2 serrano chiles; 1 small red onion, coarsely chopped; 4 cloves garlic, peeled; 6 plum tomatoes, halved and seeded; Salt and freshly ground black pepper; 2 limes, juiced; 1/4 cup chopped fresh cilantro leaves