INGREDIENTS
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1 cup unsalted butter - softened
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2 cups white sugar -
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3 eggs -
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1 tablespoon vanilla extract -
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2 1/4 cups all purpose flour -
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1/2 teaspoon baking soda -
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1/4 teaspoon salt -
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8 ounces of vanilla yogurt -
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1/4 cup powdered sugar -