It's basically frozen shrikhand. Hung yogurt (Preferably Greek yogurt) + honey + coco powder + banana purée + chopped walnut+ sliced banana and freeze in airtight box for 3-4 h.
Add sugar if you are making for your kids. Also line the box with parchment paper or cling wrap for easy release.
You can also make strawberry flavor by adding strawberry jam, strawberry syrup and fresh cut strawberry.