To prepare the Base Layer

1. Melt together the butter, sugar and cocoa over low heat.
2. Add the eggs continue to cook, stirring constantly to fully cook the egg to a soft scrambled texture.
3. Add the graham crumbs, coconut and walnuts.
4. Mix together until well combined then, press into the bottom of a parchment paper lined 9x9 inch baking pan.

To prepare Filling

1. With an electric mixer, beat together the butter, custard powder and icing sugar until it starts to come together.
2. Add the vanilla paste and whipping cream and beat well until smooth.
3. This frosting should be very stiff but spreadable. ( Much thicker than you would use to frost a cake for example) If you think it's too thick, you may add a few drops of whipping at a time to bring it to the right consistency.
4. Spread evenly over the bottom layer. Chill in the fridge for a couple of hours before adding the chocolate topping.

To prepare the Chocolate Topping

1. Melt together the chocolate chips and butter over low heat, just until the chocolate is melted, don't over heat it.
2. Spread quickly over the chilled frosted layer. Return to the fridge until the chocolate sets.
3. Cut into squares or bars. These freeze very well.

The nutritional information provided is automatically calculated by third party software and is meant as a guideline only. Exact accuracy is not guaranteed. For recipes where all ingredients may not be used entirely, such as those with coatings on meats, or with sauces or dressings for example, calorie & nutritional values per serving will likely be somewhat lower than indicated.