Nanaimo dessert bars - Small Farm Canada

Ingredients

• 1/2 cup butter
• 1/4 cup sugar
• 5 tbsp cocoa power
• 1 egg
• 1 tsp vanilla
• 1&2/3 cups graham wafer crumbs
• 1 cup desiccated coconut
• 1/2 cup walnuts
• 1/4 cup butter
• 2 cups sifted icing sugar
• 4 squares semi-sweet chocolate
• 1 TBLS butter