Preheat oven to 175°C.
Line a 9" * 13" baking tray wih butter paper.
Melt butter and pour it on the tray and let it spread evenly.
Sprinkle the crushed biscuits evenly over the butter.
Now spread the chopped nuts evenly on the biscuit layer.
Spread the butterscotch chips on the nuts.
Spread the choco chips on the butterscotch nuts.
Now cover the entire surface with grated coconut.
Pour the condensed milk evenly on the coconut.
Bake this in the preheated oven for 30-35 minutes or until the top is golden brown.
Remove from oven and allow it to cool completely in the tray itself.
Remove the paper from the tray on to the counter.
Slice off the uneven edges.
Now make square slices with the help of a large bread knife.
Store in an air tight jar.
Enjoy with a cup of coffee or tea.