Preheat oven to 170 C
Line baking pan with baking paper
Beat egg whites until shiny with stiff peak
Cream butter + sugar + salt until light & fluffy. Gradually add egg yolks, one at a time, beating continuously
Add milk + vanilla. Beat until well mixed.
Add baking soda + dessicated coconut + flour + orange zest. Mix with spatula.
Add in half egg whites. Fold gently until all incorporated.
Add remaining half egg whites. Fold gently.
Pour batter in the pan. Bake for 50-60 mins or until clean skewer inserted come out clean. Leave the cake to cool completely.
When the cake is fully cool, cut them into squares
Heat orange juice + sugar on medium heat and bring to boil. Boil for 10-15 mins until the syrup slightly thickens.
Slowly ladle the HOT syrup over the COOL cake. Allow each ladle to absorb fully before adding more syrup.