INGREDIENTS
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Butter, for cake pans
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Flour, for cake pans
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1 box red velvet cake mix, plus ingredients called for on the box
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2 8-oz. packages cream cheese, softened
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2/3 c. sugar
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2 large eggs
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1/3 c. sour cream
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1 tbsp. flour
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1 tsp. vanilla extract
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1/4 tsp. kosher salt
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2 8-oz. packages cream cheese, softened
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1 stick butter, softened
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2 1/4 c. powdered sugar
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1 tsp. vanilla extract