To prepare the mango lassi frozen yogurt, take a large bowl, whisk the mango lassi with the plain yogurt. Freeze in ice tray for 4-5 hours until set, covered tightly with cling film.
Place the chopped fruit in a freezer friendly airtight box and freeze for 4-5 hours.
Peel cardamon pods and keep the seeds aside.
In a high power blender or soupmaker, using the smoothie function, blend / churn the frozen mango lassi, yogurt and fruits along with honey and cardamom seeds.
Once it is quite smooth and keep pulsing to churn them well and break any icy parts. This whole process should be done for 5 minutes or so.
Remove the mango lassi frozen yogurt into a loaf tin or an airtight container.Cover loaf tin with cling wrap.Freeze for 4-5 hours until firmly set.
To prepare coconut topping, in a non-stick pan, on a low flame, stir the desiccated coconut with sugar until its well toasted and caramelised. Keep aside.
To serve, scoop out 1-2 scoops of mango lassi banana sorbet in a glass or ice cream bowl.
Top with caramelised coconut, finely chopped mango cubes and mint leaves.
Serve immediately.