INGREDIENTS
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Nonstick cooking spray
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2 1/2 pounds Yukon gold potatoes, halved lengthwise and sliced 1/4 inch thick
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1 onion, cut into thin wedges
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1 10 3/4 ounce can condensed cream of potato soup
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1 8 ounce carton sour cream
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1 cup shredded Gouda cheese (4 ounces)
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1/2 cup crumbled blue cheese (2 ounces)
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1/2 cup finely shredded Parmesan cheese (2 ounces)
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1/2 cup chicken broth
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1/2 teaspoon ground black pepper
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1/4 teaspoon salt
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Snipped fresh parsley or chives