Green Sauce - cooking recipe

Ingredients

1/2 lb tomatillo, about 5 large ones
1/2 cup onion, roughly chopped
2 tablespoons fresh cilantro
1 teaspoon fresh jalapeno pepper, seeded and roughly chopped
1/2 teaspoon salt, more to taste
1/3 cup sour cream
2 ripe avocados, peeled, seeded and roughly chopped

Preparation

Remove husks and stems from tomatillos. Place whole tomatillos in a sauce pan, cover with water and bring to a boil. Boil 5 minutes or until easily pierced with a fork. Drain the water and allow to cool.
Place tomatillos, onion, cilantro, jalapeno, and salt in a food processor or blender. Blend until smooth.
Stir in sour cream and avocado and blend again until smooth.