In a mixing bowl add the flour, butter, brown sugar, coconut sugar, orange, eggs, vanilla essence, milk and cinnamon. Mix well with an electric hand mixer until you have a great creamy cake batter.
Flour four ramekins and then split the mixture between the four.
Place the traditional 1 cup of water in the bottom of the Instant Pot, then add the steaming shelf and then place the ramekins on top.
Set the Instant Pot to sealing and cook on steam for 28 minutes.
Remove from the Instant Pot using an oven glove and use a knife by going down the sides in order to remove them from the ramekins.
Leave on a dinner plate to cool.
Mix the icing sugar with a little water until it is of a thick consistency. Then split it in two. Leave one as it is and then with the other add a little red colouring until it goes pink.
Pour the icing sugar over the Easter cakes. Adding the white first and then following this up with the pink.
Serve.