Instructions

Step 1
Preheat oven to 180C/160C fan-forced. Grease a 7cm-deep, 13cm x 24cm (base) loaf pan. Line with baking paper, extending paper 2cm above edge of pan on long sides.
Step 2
Place half of each chocolate in a microwave-safe bowl. Microwave on MEDIUM-HIGH (70%), stirring halfway through with a metal spoon, for 1 to 2 minutes or until melted and smooth.

How to melt milk, dark and white chocolate in the microwave, on the stovetop and in the oven.
Step 3
Sift flour, baking powder and bicarbonate of soda in a large bowl. Stir in sugar. Whisk eggs, oil and vanilla together in a bowl. Add egg mixture and banana to our mixture. Stir to combine. Fold through melted chocolate.
Step 4
Spoon into pan. Smooth top. Sprinkle with remaining chocolate. Bake for 1 hour 20 minutes or until a skewer inserted in the centre comes out clean (cover with foil if over-browning during cooking). Stand in pan for 10 minutes. Transfer to a wire rack to cool.
Step 5
Beat cream cheese until light and fluffy. Dust cake with cocoa powder. Serve with whipped cream cheese.