INGREDIENTS
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For the cake:
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2 large eggs, at room temperature
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2/3 cup sour cream, divided
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1 teaspoon vanilla extract
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1 3/4 cups flour
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1 cup sugar
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1/2 teaspoon baking powder
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1/2 teaspoon baking soda
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1/2 teaspoon salt
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12 tablespoon unsalted butter, at soft room temperature
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For the Peanut Butter Filling:
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Ingredients
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1/2 cup smooth peanut butter, at room temperature
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scant 1/2 cup cream cheese, at room temperature
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4 tablespoons (1/2 stick) butter, at room temp
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2 teaspoons sour cream
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1/2 cup plus 2 tablespoons powdered sugar
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1 teaspoon vanilla extract
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or the Rich Chocolate Frosting:
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This will make a little extra. I’m sure you’ll find a use for it.
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6 ounce unsweetened baking chocolate
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3/4 cups (1 1/2 sticks) butter
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4 cups sifted powdered sugar
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6 tablespoons strongly brewed coffee
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2 eggs
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1 tablespoon vanilla
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Pinch of salt