Can be prepared in 45 minutes or less.

Ingredients

　　a 10-ounce package frozen spinach, cooked, rinsed, and squeezed dry

　　1 cup bottled mayonnaise

　　1/2 cup plain yogurt

　　2 teaspoons minced fresh tarragon

　　1 teaspoon fresh lemon juice

　　2 teaspoons minced fresh chives

　　In a blender purée the spinach with the mayonnaise, the yogurt, the tarragon, and the lemon juice until mixture is smooth and stir in the chives. Serve the sauce with chicken.