Ingredients

• 1 cup fresh parsley, finely chopped
• 1/2 cup fresh cilantro, finely chopped
• 4 cloves garlic, minced
• 1/2 teaspoon red pepper flakes
• 1/2 teaspoon black pepper
• 1 teaspoon salt
• 1/2 cup olive oil
• 1/4 cup red wine vinegar
• 1 pound flank steak
• 1 tablespoon olive oil (for grilling)
• 1 teaspoon salt (for steak)
• 1/2 teaspoon black pepper (for steak)

Instructions

1. 1In a bowl, combine 1 cup fresh parsley, 1/2 cup fresh cilantro, 4 cloves minced garlic, 1/2 teaspoon red pepper flakes, 1/2 teaspoon black pepper, and 1 teaspoon salt — 5 minutes
2. 2Add 1/2 cup olive oil and 1/4 cup red wine vinegar to the bowl, whisk until combined — 2 minutes
3. 3Cover the chimichurri sauce and let it sit at room temperature for at least 10 minutes to allow flavors to meld — 10 minutes
4. 4Preheat a grill or grill pan over medium-high heat — 5 minutes
5. 5Rub 1 pound flank steak with 1 tablespoon olive oil, 1 teaspoon salt, and 1/2 teaspoon black pepper — 2 minutes
6. 6Place the steak on the grill and cook for 4-5 minutes per side for medium-rare, total cooking time — 10 minutes
7. 7Remove the steak from the grill and let it rest for 5 minutes — 5 minutes
8. 8Slice the steak against the grain and serve with chimichurri sauce drizzled on top — 2 minutes