Add cereal into boiled water or breastmilk according to the measurements stated on the cereal packaging and stir. You can dilute it further if required. You can also add some fruit puree to make the cereal taste better:)
TapFluencer
Hi mummy
https://community.theasianparent.com/q/first-food-i-gave-babyi-started-when-5-month-oldi-started-with-1-sc/1682976?d=mobile&ct=q&share=true
Hope it helps!