Darren McGrady, the former chef to the Royal Family, makes caramel banana cake and banana flan, that are two favourite dessert of Prince William and Harry, on This Morning.

The ingredients for the banana cake are: ½ cup plus 1 Tbs unsalted butter, ¾ cup light brown sugar, 2 eggs, 1 cups mashed bananas (about 5 medium), 1 ½ cups self rising flour, 1 tsp baking soda, ¾ cup sour cream, 1 Tbsp milk, 1 tsp vanilla paste.

For the frosting: 1/4 cup unsalted butter, 1/2 cups light brown sugar, 1/8 cup sour cream, 1 1/2 cups icing sugar and 1 tsp vanilla paste.