• 2 bananas
• ½ lemon
• 1 tablespoon icing sugar
• In a food processor blitz the bananas to a smooth puree
• Mix in the juice of the lemon and the icing sugar
• Spread mixture thinly over a non-stick baking tray and put in the oven 110°C 230°F/ Gas ¼ for about 3 hours until the mixture is completely dried out
• While the mixture is still warm ease out gently with a spatula. Leave flat on a work surface until cool and crisp, then break into pieces and use as you like.