Tomatillo-Avocado Sauce

• 1 pound tomatillos, husked and rinsed
• 1 small white onion, chopped
• Leaves from 1 bunch cilantro
• 2 cloves garlic
• 2 serrano chiles, stemmed
• 2 tablespoons fresh lime juice
• 1 tablespoon kosher salt
• 4 cups water
• 1 1/4 cups ice
• 1 large avocado, peeled, pitted, and cut into chunks

1. In a large saucepan, add the tomatillos, onion, cilantro, garlic, chiles, lime juice, salt, and the 4 cups water.
2. Bring to a boil over medium-high heat and boil just until the tomatillos and chiles are blanched, about 5 minutes.
3. Pour off half of the cooking liquid and add the ice and avocado.
4. Transfer the mixture to the jar of a blender and puree until smooth.
5. Serve this sauce cold.
6. You can prepare it up to 2 days ahead, stored in the refrigerator.

white onion, cilantro, garlic, serrano chiles, lime juice, kosher salt, water, avocado

Taken from www.epicurious.com/recipes/food/views/tomatillo-avocado-sauce-394016 (may not work)