Skirt Steak with Chimichurri

Name: Skirt Steak with Chimichurri
Ingredients: 1/2 cup packed fresh parsley leaves; 1/2 cup packed fresh basil leaves; 1/4 cup packed fresh cilantro leaves; 1/4 cup extra-virgin olive oil; 2 cloves garlic finely minced; 2 teaspoons white wine vinegar; 1 tablespoon lime juice; 1/2 teaspoon ground coriander; 1/2 teaspoon ground cumin; 1/2 teaspoon salt; 1/8 teaspoon freshly ground black pepper; 1/2 teaspoon chili powder; 1/4 teaspoon black pepper; Ground cayenne to taste (1/8 to 1/4 teaspoon); 1 1/4 pounds skirt steak