- 1 pound tomatillos, husked
 - 1 avocado, pitted, peeled
 - 1 cup loosely packed cilantro leaves
 - 1/3 cup sour cream
 - 5 garlic cloves
 - 3 tablespoons fresh lime juice
 - 1 1/2 medium jalape&;ntilde;o chilies, stemmed, seeded, chopped
 
- Cook tomatillos in large pot of boiling water until soft but still whole, about 3 minutes. Drain. Place tomatillos in large bowl and refrigerate until cold, about 1 hour.
 - Place tomatillos in blender. Add remaining ingredients. Blend until smooth. Transfer dip to bowl. Cover with plastic and refrigerate until cold. (Can be prepared 6 hours ahead.)