8 medium–small ripe bananas
320g/11oz crunchy or smooth peanut butter
75²µ/2â…”o³ú caster sugar
½ tsp ground cinnamon
240²µ/8½´Ç³ú dark chocolate, chopped
100²µ/3½´Ç³ú butter, melted
1 free-range egg, beaten
8 large flour tortilla wraps