INGREDIENTS
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Canola oil spray
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4 cups baked potato chips
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1/2 tsp. cayenne pepper
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1 cup low-fat buttermilk
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1/2 cup plus 2 Tbs. all-purpose flour
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1/2 tsp. salt, plus more to taste
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1/4 tsp. freshly ground black pepper
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1 to 2 large Vidalia onions, peeled