Nanaimo Bar Cake

Ingredients

• 1/2 cup butter, melted
• 1/3 cup cocoa
• 1/4 cup sugar (white or brown)
• 1 large egg or 2 Tbsp vegetable oil
• 1 1/4 cups graham cracker crumbs
• 1 cup shredded coconut
• 1/2 cup finely chopped pecans, walnuts or almonds
• 1 1/2 cups all-purpose flour
• 1 cup sugar
• 1 tsp baking soda
• 1/2 tsp fine salt
• 1 cup warm water or coffee
• 1/3 cup canola or vegetable oil
• 1 Tbsp white or cider vinegar
• 1 tsp vanilla
• 1 cup butter, softened
• 1/4 cup custard powder (such as Bird’s)
• 4 cups icing sugar, plus extra
• 1/4-1/3 cup cream or coconut milk
• 1 1/3 cups chopped dark chocolate or chocolate chips (8 oz/225 g)
• 1 cup whipping cream or coconut milk