green goddess dressing recipe

Ingredients: 1/2 cup mayonnaise 1/2 cup sour cream or Greek yogurt 1/4 cup fresh parsley, chopped 1/4 cup fresh chives, chopped 2 tablespoons fresh tarragon, chopped (or 1 tablespoon dried tarragon) 2 tablespoons fresh lemon juice 1 clove garlic, minced 2 anchovy fillets (optional) Salt and pepper to taste