Preparation / Directions:
Preheat oven to 190 C; 375F, Gas mark 5. Grease a shallow casserole dish. Drain can of salmon, flake and set aside.
Arrange one third of potatoes and half of leeks in casserole dish. Add half the salmon then a further third of potatoes and remaining leeks and salmon. Sprinkle over the cheese and cover with remaining potato.
Mix the milk, fromage frais and 1 tablespoon of oil. Season. Pour into casserole. Brush top layer with remaining oil, cover and bake for 45 minutes. Remove cover. Continue baking until brown.