"Shares Spearville, Kansas field editor Pat Habiger, "Everyone loves these squares, which travel well to picnics and potlucks. The recipe combines rhubarb filling with a cookie crust."..."
INGREDIENTS
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1 cup all-purpose flour
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1/3 cup confectioners' sugar
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1/3 cup cold butter
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FILLING:
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1 cup sugar
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1/4 cup all-purpose flour
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2 eggs, lightly beaten
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1 teaspoon vanilla extract
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3 cups finely chopped fresh or frozen rhubarb