"Easy and simple to make, youâ??ll never go back to the packaged variety once youâ??ve tasted the real thing...."
INGREDIENTS
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2 tablespoons unsalted butter
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1 tablespoon oil
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2 large yellow onions, sliced thin (about 3 to 3 1/2 cups)
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1 teaspoon salt
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1/2 teaspoon pepper
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1 tablespoon balsamic vinegar, or to taste
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1/4 pound softened cream cheese
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1/2 cup sour cream
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1/2 cup mayonnaise