Nanaimo Bars III

INGREDIENTS

• 1/2 cup butter, softened
• 1/4 cup white sugar
• 5 tablespoons unsweetened cocoa powder
• 1 egg, beaten
• 1 3/4 cups graham cracker crumbs
• 1 cup flaked coconut
• 1/2 cup finely chopped almonds (optional)
•  
• 3 tablespoons heavy cream
• 2 tablespoons custard powder
• 2 cups confectioners' sugar
• 4 (1 ounce) squares semisweet baking chocolate
• 2 teaspoons butter