1 kgzucchini (about 5), coarsely chopped, plus extra, sliced, to serve
50 gmpistachio kernels, plus extra to serve
½ cup each(firmly packed) baby spinach and rocket, plus extra, to serve
½ cup(firmly packed) basil, plus extra leaves, to serve
½onion, coarsely chopped
1garlic clove, finely chopped
200 mlbuttermilk, plus extra, to serve
Juiceof 1 lemon, or to taste
To serve:zucchini flowers, stalks thinly sliced, flowers halved
For drizzling:extra-virgin olive oil
Process zucchini, pistachios, spinach, rocket, basil, onion and garlic in a blender or food processor until just smooth. Add well-shaken buttermilk and lemon juice, season to taste and process until very smooth then divide among chilled bowls and refrigerate to chill well (30 minutes).
Serve topped with zucchini flowers and zucchini slices, pistachios, rocket, basil, and a good drizzle of both buttermilk and extra-virgin olive oil.