INGREDIENTS
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2 pounds onions, thinly sliced
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1/3 cup butter
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2 tablespoons finely chopped garlic
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2 tablespoons dry mustard
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2 -3 teaspoons dried sage, crushed
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1/4 cup dry sherry
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6 cups chicken broth and/or beef broth
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1/3 cup butter
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2/3 cup all-purpose flour
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1 cup whipping cream
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Salt
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Croutons
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Swiss cheese slices
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Grated Parmesan cheese
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Pepper