Gan,
i cook porrdige for my girl daily. Abt 10min prep, cookk for 2 hrs in the slow cooker.
I cook plain porridge first, then abt half hr before serving add the vege.
I use pumpkin, carrot, potato, sweet potato, zuchinni, tomato, cauliflower, spinach. Sometimes i add a pc of corn too for taste only, cos she can't eat corn yet.
Everyday i just pick 2 vege n mix and match to add to the porridge.
Alternatively, u can make all those vege puree beforehand and store in cubes. Then cook plain porridge daily and add 2 different puree cubes to the porridge before serving.
If u want to use ikan bilis for added calcium, need to eat the ikan bilis cos the calcium is all in the bones. I plan to intro ikan bilis, fish and other proteins when my girl hits 8 mths.
U can consider making ikan bilis powder to add to yr girl's porridge. Quite a bit of effort but one time can make one bottle, and everyday just add a small teaspoon to the porridge. Can last quite awhile.
To make ikan bilis powder:
http://www.noobcook.com/ikan-bilis-anchovies-powder-step-by-step-photos/
i rinse many times and very thoroughly to remove as much salt as possible. Get good quality ikan bilis, it's actually not tat salty after rinsing.