Step 1

Preheat oven to 180 C (350 F) standard / 160 C (320 F) fan-forced. Grease and line an 8-inch square pan with baking or parchment paper.

Step 2

Place butter in a heatproof bowl. Heat in the microwave, stirring every 20 seconds, until melted and smooth. Add sugars and vanilla and mix to combine. Add egg and stir.

Step 3

Sift in the flour, baking powder, cocoa powder and coconut and mix until combined.  Add the chocolate chips. Mixture will be thick and chocolate-y.

Step 4

Place the chocolate batter into your prepared tin and press down to form one even layer.

Step 5

Bake in the oven for 20-22 minutes or until a skewer inserted in the middle comes out clean. Transfer to a wire rack to cool completely.

Step 6

To make the frosting, sift the icing sugar and cocoa into a large mixing bowl. Add butter and 1 tablespoon of boiling water and stir to combine. If the frosting is too thick, add other tablespoon boiling water.

Step 7

Spread frosting over cooled chocolate slice. Sprinkle over shredded coconut. Leave for 10-15 minutes to set. Cut into squares and serve.