Ingredients
• Cooking oil spray, to grease
• 2 ripe bananas, mashed
• ¾ cup firmly packed brown sugar
• ½ cup caster sugar
• 4 free-range eggs
• 300ml sour cream
• 2 cups self-raising flour
• 2 tsp ground cinnamon
• ¼ tsp bicarbonate of soda
• Desiccated coconut, to garnish
• Lime zest, to garnish
LIME ICING
• 1½ cups icing sugar mixture
• Finely grated zest and juice of 1 lime
Cook's tip: Use ripe bananas, as they have more natural sugars and robust flavour. If they’re not ripe enough, put them in a brown paper bag and leave in the warmest part of your kitchen, such as the top of the fridge.
Method
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Preheat oven to 170°C. Grease a 33 x 23cm rectangular tin with cooking oil spray and line base and sides with baking paper.
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Put all cake ingredients, except coconut and zest, in a large bowl and beat with hand whisk until well combined. Pour into tin and smooth surface.
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Bake for 30 minutes or until golden and cooked when tested with a skewer. Remove from oven and cool in tin for 15 minutes before turning out onto a wire rack to cool completely. Remove baking paper and put cake on serving plate or board.
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Meanwhile, put icing ingredients in a large bowl, stirring until smooth. If necessary, add a little water to make mixture the consistency of runny honey. Spread icing over cooled cake.
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Garnish cake with coconut and lime zest. Cut into 28 pieces and serve.