Boil water in a deep vessel put the condensed milk can for 1 hour in a boiling water, for a perfect toffee texture u can leave it for 2 hours also but I like it little watery.

Crush digestive biscuits in a zip lock bag, you can also use processor. Take it in a bowl

Melt butter in a small pan.

Mix biscuits and butter together, Knead well and layer in a tray and keep in freeze for 20 mints to set.

Keep the whipped cream ready with soft peaks.

In a pan add sugar, water and peanuts to make candid peanuts, keep stirring on medium high flame for 3-4 mints to get a perfect crystals of peanuts.

Remove the tray from freeze, spread over the boiled condensed milk (a smooth creamy caramel).

Make a layer of banana, candid peanuts and some more caramel all over.

Frost it with whipping cream, and drizzle some candid peanuts and caramel again and cut into desired shape and serve.