150 g butter

120 g light brown sugar

125 g self-raising flour

30 g cocoa powder

3 eggs

chocolate custard from other recipe, to top

Preheat your oven to 180C/160C Fan. Grease rectangular traybake tray.

Beat together your butter and sugar until light and fluffy.

Add in the flour, cocoa powder and eggs, and beat again until combined.

Bake in oven for about 20~28 min, avoid opening too soon, use skewer to check (but quickly).

Once baked, pour over the chocolate custard and allow to cool.