"The best Tiramisu Cake Recipe! Featuring an easy, Kahlua-infused vanilla sheet cake, layers of fluffy mascarpone frosting and coffee-soaked ladyfingers!..."
INGREDIENTS
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2 1/2 cups cake flour
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1/2 teaspoons baking powder
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1/4 teaspoon baking soda
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1 1/8 teaspoon fine sea salt
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3/4 cup unsalted butter, room temperature
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1 1/2 cup granulated sugar
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2 tablespoons canola or vegetable oil
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3 large eggs, room temperature
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3 tablespoons sour cream
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1 tablespoon pure vanilla extract
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1/2 cup buttermilk
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1/4 cup Kahlua coffee liqueur
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2 (8 ounce) packages cold Mascarpone cheese
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1 cup heavy whipping cream (+ 2 tablespoons)
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3/4 cup powdered sugar
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1/2 teaspoon pure vanilla extract
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1/4 teaspoon fine sea salt
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24 Ladyfingers cookies
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2 cups strongly brewed coffee (or espresso), cooled to room temperature
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2-3 tablespoons unsweetened Dutch cocoa powder