Mom'S Nanaimo Bars - cooking recipe

Ingredients

Base
1/2 cup butter
1/4 cup sugar
1 slightly beaten egg
5 teaspoons cocoa
1 teaspoon vanilla
2 cups graham wafer crumbs
1 cup flaked coconut
1/2 cup chopped walnuts
Filling
2 cups icing sugar
1/4 cup butter
2 tablespoons custard powder or 2 tablespoons vanilla instant pudding mix
3 tablespoons milk
Topping
3 ounces semi-sweet chocolate baking squares
1 tablespoon butter

Preparation

Base: Cook 1/2 cup butter, sugar, egg, cocoa and vanilla over low heat until butter melts.
Stirring frequently.
Remove from heat, stir in crumbs, coconuts and walnuts.
Press by hand into a lightly buttered 8 x 8 pan.
Filling: Combine icing sugar, 1/2 cup butter and custard into a small bowl.
Add milk gradually until mixture reached spreading consistency.
Spread over base.
Topping: Melt chocolate and butter over low heat.
Spread evenly over filling.
Chill until firm and then slice into small squares and serve.