INGREDIENTS
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Start to finish: 1 hour (10 minutes active)
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Servings: 4
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Ingredients:
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1 cup light or dark brown sugar
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2 tablespoons water
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6 tablespoon butter
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1/2 teaspoon salt
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1/2 teaspoon cider vinegar
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3/4 cup heavy cream, divided
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1/2 teaspoon rum extract
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Four 12-ounce bottles cream soda