Created by Mikekey on January 3, 2014
Step 1: In a large saucepan place all the squash. Add the onion, garlic, broth and salt and pepper; bring to a boil, cover, reduce heat and simmer for 20 to 25 minutes, or until the vegetables are very tender.
Step 2: Allow to cool slightly; puree in a food processor or blender with the basil, parsley and lemon juice until smooth. Stir in the buttermilk.
Step 3: Place in a container, cover and refrigerate overnight.
Step 4: When ready to serve, whisk until smooth and adjust the seasoning with salt and pepper.
Step 5: Serve chilled, garnished with chopped basil and parsley.