INGREDIENTS
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4 medium onions
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3 tablespoons safflower or olive oil
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1/2 cup port
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8 cups chicken stock
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Salt and freshly ground black pepper
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Bouquet garni made with sprig of thyme, 1 bay leaf, 1 celery stalk (see cooking tips)
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12 slices French Bread, about 1/4-inch thick
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2 cups grated Swiss cheese