3 tablespoons olive oil |
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Fry gently over moderate heat, covered, about 30 minutes or until very soft and lightly browned, stirring once or twice. |
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In a shallow 1.8 litre ovenproof dish, lightly oiled, layer ingredients ending with potatoes |
Lightly press down potatoes until almost submerged. Cover loosely with foil. Bake in hot oven 1 hour. Uncover, and bake in moderate oven 30 minutes or until potatoes are quite tender and the top is golden brown. |