Step 1

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 X 8 pan.

Step 2

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

Step 3

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