INGREDIENTS
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1/2 pound (1 cup) unsalted butter, completely softened at room temperature; more for the pan 2 1/2 cups cake flour; more for the pan 1 1/2 teaspoons baking powder 1/2 teaspoon salt 1 1/2 teaspoons ground cinnamon 1/2 teaspoon ground ginger 1/4 teaspo