Just like Mom's

Ingredients

• 125 ml soft butter
• 50 ml sugar
• 1 egg
• 50 ml cocoa
• 500 ml graham crumbs
• 250 ml coconut
• 125 ml chopped nuts
• 50 ml butter
• 50 ml milk
• 30 ml custard powder
• 500 ml icing sugar
• 4 squares unsweetened chocolate
• 15 ml butter

Directions

1. In bowl, stir together graham crumbs, coconut, walnuts, cocoa powder and sugar. Drizzle with butter and egg; stir until combined.

   2. Press crumb mixture into parchment paper–lined 9-inch (2.5 L) square metal cake pan. Bake in 350°F (180°C) oven until firm, about 10 minutes. Let cool in pan on rack.

   3. Filling: In bowl, beat together butter, custard powder and vanilla. Beat in icing sugar alternately with milk until smooth, adding up to 1 tsp (5 mL) more milk if too thick to spread. Spread over cooled base; refrigerate until firm, about 1 hour.

   4. Topping: In heatproof bowl over saucepan of hot (not boiling) water, melt chocolate with butter. Spread over filling; refrigerate until almost set, about 30 minutes.

With tip of knife, score into bars; refrigerate until chocolate is set, about 1 hour.