Chipotle Tomatillo Salsa

Directions

1. 1
   Puree chilies in blender.
2. 2
   Transfer to large bowl.
3. 3
   Heat 1 teaspoon oil in heavy large skillet over high heat.
4. 4
   Add tomatillos and cook until brown on all sides, about 7 minutes.
5. 5
   Transfer to work surface.
6. 6
   Add 2 teaspoons oil to skillet.
7. 7
   Add onion and saute until tender, about 4 minutes.
8. 8
   Add onion to chilies.
9. 9
   Chop tomatillos; add to chili-onion mixture.
10. 10
    Mix in cilantro, vinegar and oregano.
11. 11
    Season with salt and pepper.
12. 12
    (Can be made 2 days ahead.
13. 13
    Cover; chill.
14. 14
    Bring to room temperature.)
15. 15
    *Chipotle chilies and tomatillos are available at Latin American markets, specialty food stores and some supermarkets.