INGREDIENTS
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Ingredients
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For the cake:
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1/2 cup packed light brown sugar
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1 teaspoon vanilla extract
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1/2 cup walnuts, coarsely chopped
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2 1/2 teaspoons ground cinnamon
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3 cups cake flour
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1/4 teaspoon baking powder
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1/4 teaspoon baking soda
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1/2 teaspoon fine salt
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2 1/2 sticks (10 ounces) unsalted butter, at room temperature, plus more for coating the pan
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2 3/4 cups granulated sugar
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1 tablespoon vanilla extract
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6 large eggs, at room temperature
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3/4 cup sour cream, at room temperature
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For the glaze (optional):
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1/2 cup powdered sugar, sifted, plus more as needed
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1/4 cup light rum
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2 tablespoons unsalted butter (1/4 stick)
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2 tablespoons water