End of summer is pistachio harvesting time in and around Attica. Pistachio trees are  ideally suited to the dry climate of the area and, although introduced relatively recently  – since the late 19th century-  thrive. There are not a lot of savoury dishes you can do with pistachios, but this kebab worked very well. Serves 4 For the Kebabs 800g ground beef 30g rusk crumbs 120g shelled unsalted pistachios, coarsely ground 130g onion, very finely chopped 1 cup flat leaf parsley, finely chopped 2 tsp ground cumin 1/2tsp ground allspice 1/2 tsp dried chilli flakes (optional) 1 tsp dried oregano 1 tsp sea salt 1 Tbsp olive oil (plus some more for brushing the kebabs) For the Pistachio sauce 100g shelled unsalted pistachios 30g  white bread, crusts removed, soaked in water and squeezed (1 or 2 days old sourdough bread works better for this recipe) 2 garlic cloves, minced 3 Tbsp lemon juice 1 Tbsp extra virgin olive oil sea salt freshly ground black pepper 6 Tbsp tap water To serve 2 tomatoes, cut in half and finely sliced 1 …