Skirt Steak Fajitas with Lime and Black Pepper

Ingredients

• 2 pounds skirt steak, halved crosswise
• ¼ cup fresh lime juice
• 1 ½ teaspoons salt
• 2 ½ tablespoons olive oil
• 2 large onions
• tomatillo or tomato salsa
• 18 flour tortillas
• + 5 more ingredients
• • 2 ½ teaspoons balsamic vinegar
  • 2 ½ teaspoons coarsely ground black pepper
  • metal skewers or a grill basket
  • lime wedges
  • 1 cup fresh cilantro leaves

Prepare grill for cooking. Thread onions onto skewers (or put in grill basket), then brush with 1/2 tablespoon oil and season with salt and pepper. When fire is medium-hot (you can hold your hand 5 inches above rack for 3 to 4 seconds), grill onions, turning occasionally, until tender, 16 to 20 m...

View full recipe at Epicurious