Fresh cilantro sprigs Combine first five ingredients in baking dish. Add steak and turn to coat. Cover and refrigerate 4 hours or overnight. Prepare barbecue. Season steak generously with pepper. Grill until cooked to desired tenderness, basting occassionally, about 5 minutes per side. Slice, sprinkle with chopped cilantro, garnish with cilantro sprigs, and serve.