Green sauce — cookaz

Ingredients

• 3 medium green or yellow tomatoes, roughly chopped (do not use red tomatoes)
• 4 tomatillos, cleaned and chopped
• 1 to 2 jalapeno chilies (adjust to taste), stemmed and roughly chopped
• 2 to 3 garlic cloves
• 3 medium ripe avocados, peeled, pitted and sliced
• 4 sprig cilantro (coriander)
• 1 tsp salt
• 1 1/2 cup sour cream