INGREDIENTS
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1 cup all purpose flour
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1 cup cornstarch
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One 12-ounce can beer or ale
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1 large egg
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1 teaspoon kosher or sea salt
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About 6 cups peanut, canola, or other vegetable oil for deep-frying
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1 1/2 pounds (or a little more) skinless fish fillets (large flounder and fluke, haddock, hake, cod, Pollock, ocean perch, or tautog), cut into 4 thin (less than 3/4 inch) slices
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Salt
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Freshly ground black pepper to taste
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4- or 5-quart Dutch oven
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Deep-frying thermometer or an electric deep fryer
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A whisk
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A baking sheet
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A pair of tongs