Fifth day of 100F temperatures. Time for cold zucchini soup. I sauté 3 diced medium sized zucchini, diced large onion and diced carrot in a generous amount of extra virgin olive oil. When the mixture has softened I add 1 quart chicken stock and boil gently for 25 minutes. Let cool to room temperature. Blend thoroughly in blender or with a hand held emersion blender. Add butter milk or half and half to taste, about 1-2 cups. Add gradually and taste as you go. I prefer buttermilk because it adds some tang to the soup. Chill and serve.