Ingredients
3 tablespoons vegetable oil
1 1 1/2-pound flank, sirloin, or skirt steak
Coarse salt and ground pepper
1 medium onion, halved and thinly sliced
1 1/2 tablespoons Worcestershire sauce
1 tablespoon butter
1/4 cup chopped parsley
Preparation
In a large skillet over medium-high, heat a tablespoon vegetable oil. Season a steak with saltand pepper, then cook until dark brown andcrusty, 3 to 5 minutes per side for medium-rare(depending on thickness).
While the steak rests, wipe the pan clean and heat 2 teaspoons oil over medium-high. Add onion, and cook until tender. Add Worcestershire sauce and tablespoon butter and toss to coat. Thinly slice the steak across the grain and top with chopped parsley.