Skirt Steak Tacos

INGREDIENTS

• 2 pounds skirt steak, trimmed of excess fat
• salt and freshly ground black pepper
• 2 teaspoons cooking oil
• 2 cups loosely packed shredded lettuce
• 2 tomatoes, diced
• 2 tablespoons finely minced cilantro
• 1-2 avocado, pitted and sliced
• 1 cup crumbled queso fresco (or other shredded cheese of your choice)
• 1 lime, cut into wedges
• 8 flour or corn tortillas