INGREDIENTS
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BANANA CAKE LAYERS
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1 1/2 cups (310g) sugar
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3/4 cup (168g) unsalted butter, room temperature
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1/2 tsp vanilla extract
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3/4 cup (173g) sour cream
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3 tbsp (45ml) vegetable oil
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3 large eggs
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1 large egg white
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2 1/2 cups (325g) all purpose flour
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2 tsp baking powder
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1/2 tsp baking soda
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1/2 tsp salt
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1 cup (240ml) mashed bananas (2-3 medium sized bananas)
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PASTRY CREAM FILLING
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3 egg yolks
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1/2 cup (104g) sugar
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2 tbsp, plus 1 tsp cornstarch
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1 1/2 cups (360ml) milk
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2 tbsp (28g) salted butter
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1 1/2 tsp vanilla extract
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FROSTING
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1 1/4 cup (280g) salted butter, room temperature
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1 1/4 cups (237g) shortening
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10 cups (1150g) powdered sugar
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2 tsp imitation banana extract
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1 tsp vanilla extract
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5-6 tbsp (75-90ml) water or milk
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8-10 graham cracker sheets, crushed
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8-10 banana chips, for decorating, optional