BANANA NUT CAKE WITH SALTED CARAMEL SAUCE

• 225g self-raising flour
• 1 tsp bicarbonate of soda
• 1 tsp baking powder
• 1 tsp cinnamon
• A large pinch salt
• 500g very ripe bananas, mashed
• 125ml vegetable oil
• 125g light brown sugar
• 2 large eggs, at room temperature
• 1 tsp vanilla extract
• 150g mixed nuts, chopped (I used pecans, walnuts and hazelnuts)

FOR THE CARAMEL ICING

• 150g soft unsalted butter
• 300g icing sugar
• 1 teaspoon vanilla extract
• 2 or 3 tablespoons salted caramel sauce
• 1 or 2 tablespoons milk

FOR THE SALTED CARAMEL DRIP

• Approximately 150ml salted caramel sauce
• 75g roughly chopped salted mixed nuts to decorate the top (optional)