From a tourist brochure in (where else?) Nanaimo

Bottom layer
1/2 C unsalted butter (Euro-style cultured)
1/4 C sugar
5 T cocoa
1 egg, beaten
1-3/4 C graham wafer crumbs
1/2 C finely chopped almonds
1 C coconut

Melt first 3 ingredients in top of a double boiler. Add egg and stir to cook and thicken. Remove from heat. Stir in crumbs, coconut, and nuts. Press firmly into an ungreased 8×8 pan.

Second layer
1/2 C unsalted butter
2 T and 2 t cream
2 T vanilla custard powder
2 C icing sugar

Cream butter, cream, custard powder and icing sugar together well. Beat until light. Spread over bottom layer.

Third layer
4 squares semi-sweet chocolate (1 oz each)
2 T unsalted butter

Melt chocolate and butter over low heat. Cool When cool but still liquid, pour over second layer and chill in refrigerator.