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4
Easy
Published 1977
Onions in a white sauce are always a popular accompaniment to a roast joint, particularly lamb. They can be baked and served in the same dish. Place them below the roast in the lower part of the oven if they are cooked together.
Peel the onions leaving them whole. Place in a saucepan, cover with cold water and bring to the boil. Simmer for 1 minute, then drain and place in a casserole. Add the butter and water. Cover with a lid, place in the centre of a moderate oven (180°C., 350°F., Gas Mark 4) and bake for 1 hour.
About 10 minutes before serving melt the butter for the sauce in a pan. Stir in the flour and co