Skirt Steak with Ancho-Onion Steak Sauce

1. 1

   Put steaks out of the refrigerator to take off the chill.

2. 2

   Heat a medium skillet over medium heat, and add the butter.

3. 3

   When the butter has melted add the onions and cook until caramel in color, about 20 minutes.

4. 4

   Stir in the Worcestershire sauce and tomato paste.

5. 5

   Reduce the heat and simmer for 5 minutes.

6. 6

   Put the anchos in small sauce pot with the stock and bring to a boil over medium heat.

7. 7

   Turn off the heat and allow the anchos to steep for 5 minutes.

8. 8

   Alternatively, put the anchos and stock in a microwave-safe bowl, covered with plastic wrap, and cook in the microwave for 2 to 3 minutes.

9. 9

   Heat a grill pan or grill to high.

10. 10

    Put the anchos and onions in a food processor.

11. 11

    Turn the processor on and season with salt and pepper, to taste.

12. 12

    Season meat with salt and pepper, to taste, and drizzle with extra-virgin olive oil.

13. 13

    Grill over high heat 5 to 6 minutes total, turning once, for rare.

14. 14

    Remove the steak to a cutting board and let rest for 5 minutes.

15. 15

    Thinly slice the steak and arrange on a serving platter.

16. 16

    Serve with lots of steak sauce poured over top.

* Per serving · 4 servings · Values may vary.