1) Whip sugar with eggs until arise. Add soda bicarbonate, milk, baking powder and food colouring.
2) Add flour and mix well. Add water slowly. Mix to a smooth batter then leave aside to stand for 1 hour (I used blender to get smooth batter then sieve).
3) Heat a nonstick pan and add a ladle of batter.
4) Cook for a while then spread filling evenly.
5) Cover the pan to cook the apam. Once cooked, fold like an omelet.