INGREDIENTS
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1 1/2 cups unsalted butter, room temperature
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2 1/2 cups granulated sugar
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6 eggs
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3 cups cake flour
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1 teaspoon kosher salt
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1/2 teaspoon baking soda
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1 cup sour cream
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2 tablespoons vegetable oil
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1 tablespoon vanilla extract
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1/3 cup unsalted butter, melted
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2/3 cup light brown sugar
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1 tablespoon all purpose flour
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1 1/2 teaspoons ground cinnamon
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1 teaspoon vanilla extract
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2 ounces cream cheese, room temperature
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2 tablespoons unsalted butter, room temperature
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1 1/2 cups powdered sugar
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1/4 cup milk
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1 teaspoon vanilla