INGREDIENTS
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3/4 pound butter, at room temperature
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1 1/4 cups granulated sugar
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2 eggs
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1 teaspoon pure vanilla extract
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1 teaspoon salt
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3 3/4 cups all purpose flour, divided
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1 cup chopped walnuts (optional)
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1 (12 ounce) jar raspberry jam or your own preserves
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1/4 cup confectioners' sugar