Better banana cake

Cake

• 120 unsalted butter plus extra to grease
• 150 g raw sugar
• 2 eggs
• 250 g bananas over ripe, cut into halves
• 2 tsp natural vanilla extract
• 120 g milk
• 1 tsp bicarbonate of soda
• 225 g self-raising flour

Icing

• 180 g icing sugar
• 40 g unsalted butter softened
• 80 g cream cheese
• 2 tsp freshly squeezed lemon juice