-
1
Heat the butter in a saucepan until melted.
-
2
Stir in the sugar, cocoa powder, egg, vanilla, biscuits, coconut and walnuts and mix together well.
-
3
Spread the mixture over the base of a Swiss roll tin 33x23 cm or similar.
-
4
Leave in the fridge while you make the filling.
-
5
Heat the water in a pan.
-
6
Add the butter, sugar and custard powder and beat all together until soft and well mixed.
-
7
Spread over the biscuit base and return to the fridge.
-
8
Melt the chocolate in a microwave or in a pan until melted.
-
9
Drizzle the chocolate evenly over the filling.
-
10
Sprinkle with the nuts and return to the fridge.
-
11
When it is cool and set, cut into required number of pieces.
-
12
Store in an airtight container.
-
13
Enjoy!
