INGREDIENTS
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2 pounds yellow onions, sliced thin
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3 tbsp unsalted butter
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2 tbsp flour
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1 bay leaf
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1/2 tsp dried thyme
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1/8 cup dry sherry
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1/4 cup Cognac or brandy
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1/4 cups white wine
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9 cups beef stock
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kosher salt and freshly ground pepper, to taste
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6 medium slices toasted Italian bread
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6 slices Sargento reduced fat Swiss