INGREDIENTS
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Ingredients
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Bars 1 pouch Betty Crocker™ sugar cookie mix
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1 cup cold butter, cut into cubes
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1 egg
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1 pint blueberries
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1 pint raspberries
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1 cup blackberries
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1/3 cup granulated sugar
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1 tablespoon cornstarch
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Icing
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1 cup powdered sugar
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2 to 3 tablespoons milk