INGREDIENTS
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FOR THE FILLING:
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2 (8-ounce) packages cream cheese, at room temperature
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1/2 cup sugar
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2 teaspoons pure vanilla extract
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1 egg
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FOR THE STREUSEL:
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? cup flour
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? cup brown sugar, packed
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1 tablespoon cinnamon
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4 tablespoons butter, chilled and diced
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FOR THE CAKE:
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3 cups all-purpose flour
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1 teaspoon baking powder
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1/2 teaspoon baking soda
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1/2 teaspoon salt
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1/2 cup (1 stick) unsalted butter, at room temperature
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1 cup sugar
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4 eggs
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2 teaspoons pure vanilla extract
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1 cup sour cream