Grilled Flat Iron Steak with Chimichurri Sauce

Name: Grilled Flat Iron Steak with Chimichurri Sauce
Prep time: 25 min
Cook time: 12 min
Total time: 37 min
Cuisine: American, Latin American
Ingredients: 1 1/2 lb. piece Flat Iron Steak; 1 T Steak Rub (see notes); 1/2 cup finely chopped cilantro leaves (about 1 cup before chopping); 1/2 cup finely chopped flat leaf parsley leaves (about 1 cup before chopping); 2 T minced garlic; 3 T fresh lemon juice; 2 tsp. red wine vinegar; 1 tsp. Aleppo pepper flakes (see notes); 1 tsp. ground cumin; 1/2 cup olive oil