"I won a blue ribbon at our local fair for these tender cookies. They're so pretty with the ruby-red filling peeking through the dough. Try making these special cookies and watch the smiles appear. —Pauline Bondy, Grand Forks, North Dakota..."
INGREDIENTS
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1 cup butter, softened
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1 cup sugar
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1 cup packed brown sugar
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4 large eggs
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4-1/2 cups all-purpose flour
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1 teaspoon baking soda
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1 teaspoon salt
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FILLING:
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3-1/2 cups chopped fresh or frozen rhubarb, thawed
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1-1/2 cups sugar
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6 tablespoons water, divided
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1/4 cup cornstarch
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1 teaspoon vanilla extract