Make sure the biscuits are uniformly sized for mixing by breaking them into little pieces.
Melt butter and chocolate in a pan until smooth and creamy.
Mix the melted chocolate with the crushed biscuits, making sure that every piece is evenly coated.
Depending on your liking, stir in condensed milk or sugar for extra sweetness.
Smooth the top of the mixture after pouring it into a baking dish or tray that has been oiled.
To help the cake set and firm up, place it in the refrigerator for three to four hours.
Enjoy the delectable chocolate delight after slicing the cold cake into pieces.