1. Finely chop the nuts and add to the cinnamon, cloves and orange zest.
2. Preheat the oven to 170C.Brush the baking dish with a little of the melted butter then brush each sheet of pastry with butter and a sprinkle of the nuts.
3. Cover with the final layer of pastry, brush with butter then bake for 40 minutes or until golden.
4. To make the syrup; simmer the sugar, water, lemon juice and orange blossom water together for 5 minutes. Pour over the baklava, return to the oven for a further 10 minutes then let cool before slicing and serving with yoghurt.

Makes 12