Heat oven to 180°C Put the leeks, ginger & garlic into a large saucepan with 3 tbsp water and a small knobs of butter. Cover, then cook for 5-10 mins until tender. Remove from the pan, allow to cool, then mix with the lemon, parsley & spinach. â€¨â€¨To assemble the parcels, spray a sheet of pastry with oil, then lay 2 more sheets on top, spraying oil between each layer. Do the same with remaining 3 sheets, then cut in half. Place 100g of salmon in the centre, season, then spoon over quarter of the leek mix, white sauce and grated cheese. Bring up 2 edges of pastry over the salmon to enclose. Brush the open ends with butter/oil, and fold up and over to seal. Put on a baking sheet and brush with butter.â€¨â€¨Put onto a lightly greased baking sheet, then cook for 15-25 mins until browned and crisp.â€¨â€¨Delicious served with Vegetables.