Grease and line a 9X9 inch baking pan, and line with parchment paper. Leave a couple of inches from the sides for lifting.
Start a double boiler with low boils. Melt the butter over the double boiler.
½ cup Butter
Add the sugar, cocoa powder, and vanilla extract. Mix well.
½ cup sugar, ⅓ cup Cocoa powder, 1 tablespoon Vanilla extract
Remove from the heat and gradually stream in the egg, and whisk vigorously.
1 Egg
Put back on the heat and cook for a couple of minutes to cook the egg. The mixture will resemble hot fudge.
Add the crushed digestive cookies, chopped pecan, and shredded coconut, and mix well.
1½ cups Digestive cookies, 1 cup coconut, ½ cup Pecans
Press the above mixture on the bottom of the greased pan, and smooth it out with a spatula. Chill and meanwhile prepare the custard layer.
How To Make The Custard Layer
Beat the butter, custard powder, and vanilla until combined.
⅓ cup Custard powder, 2 teaspoon Vanilla extract, ½ cup Butter
Mix in 1 cup of powdered sugar and 1 tablespoon of heavy cream at a time. Repeat this step until the mixture is smooth and spreadable. Add 1-2 more teaspoons of cream, if needed, to reach a spreadable consistency. DO NOT ADD TOO MUCH CREAM.
3 cups Powdered sugar, ⅓ cup Custard powder, 3-4 tablespoon Heavy cream
The mixture will turn into light yellow color. Spread this mixture over the base and place it in the fridge.
How To Make The Top Layer
Melt the chocolate over the slow double boiler stirring constantly. Add the cream and mix until smooth.
3 tablespoon Heavy cream, 1 cup Semi-sweet chocolate
Quickly spread this mixture over the custard layer. Act fast. Place in the fridge for at least 3 hours before cutting.