Preheat oven to 190 degree celsius.

In a bowl, combine milk, orange juice, oil, eggs and orange zest. Set aside.

Now, sift the flour, salt and baking powder in a large bowl. Mix in sugar. Pour in the milk mixture and stir until thoroughly combined.

Pour the cake batter into the prepared tins. Bake in the preheated oven for 35 minutes.

To prepare the icing, mix the cream cheese along with the butter. Then add the sugar and mix until combined. Add the vanilla extract. Beat it using a whisker until you reach the required consistency.