Grilled Flat-Iron Steak with Avocado, Tomato, and Red Onion Salad
Grill up this flavorful cut of beef for Father's Day!
Ingredients
- 1/2 cup chopped onion
- 1/4 cup finely chopped red bell pepper
- 1/4 cup finely chopped green bell pepper
- 2 teaspoons minced garlic
- 2 teaspoons fresh thyme leaves
- 2 teaspoons chopped fresh oregano leaves
- 1 tablespoon plus 1 teaspoon salt
- 2 teaspoons sugar
- 1 1/2 teaspoons freshly ground black pepper
- 1/2 cup white vinegar
- 1 cup vegetable oil
- 2 pounds flat-iron steak (also known as top blade)
- 1 tablespoon olive oil
- Avocado, Tomato, and Red Onion Salad, for serving [3]
Directions
In a small bowl, combine onion, bell peppers, garlic, thyme, oregano, 1 tablespoon salt, sugar, 1 teaspoon black pepper, and vinegar. Whisk in vegetable oil.
Add steak to a gallon-size resealable plastic bag or other container. Pour in marinade and refrigerate overnight.
One hour before serving, remove steak from refrigerator and allow it to sit at room temperature.
Preheat a grill to high.
Remove steak from marinade. Discard marinade. Season steak with remaining teaspoon salt, 1/2 teaspoon pepper, and olive oil. Grill steak for 7 to 8 minutes per side for medium-rare. (Flat-iron steak is at its best if you do not cook it past medium.) Remove steak from grill and let it rest 5 minutes, then thinly slice steak across grain and serve it with Avocado, Tomato, and Red Onion Salad.
Cook's Note: Instead of using the onion-pepper mixture as a marinade, you can use half to baste the steaks and the other half as a dressing for the salad.
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