INGREDIENTS
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3/4 cup (1-1/2 sticks) unsalted butter, cut into 1/2 inch chunks
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2 cups all-purpose flour
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1/2 cup granulated sugar
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1/2 teaspoon salt
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Topping
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4 egg whites
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3/4 cup granulated sugar
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1/2 cup all-purpose flour
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1 bag (7 ounces) sweetened flaked coconut
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10 ounces semi-sweet chocolate chips , chopped