INGREDIENTS
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Cake
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1 cup granulated sugar
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1/2 cup light brown sugar
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1/2 cup butter, at room temperature
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1 egg, plus 1 egg yolk
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2 cups cake flour
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1 teaspoon baking powder
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1 teaspoon baking soda
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1/2 teaspoon salt
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1 cup mashed, very ripe bananas
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3/4 cup buttermilk
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1 teaspoon vanillaFrosting
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1/2 cup strong coffee, or 3 tablespoons espresso powder dissolved in 1/2 cup hot water
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4 tablespoons butter
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4 squares unsweetened chocolate, roughly chopped
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4 cups confectioners sugar, sifted
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2 teaspoons vanilla extract
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1/3 cup finely chopped walnuts*Optional Chocolate Shavings
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4 to 8 ounce block of best quality chocolate
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See below how to make Chocolate Shavings