Cut the bananas into small slices, fillet oranges and halve the grapes or cut into small slices and core if necessary. Mix the fruits and add the lime juice and agave syrup.
Crumble the biscuits finely, put some fruit salad in glasses, cover with biscuit crumbs and yoghurt and sprinkle with chocolate sprinkles.
Pour in the fruit salad, biscuit crumbs and yoghurt again and serve sprinkled with chocolate sprinkles and pistachios.