please help with how to introduce  solid food to my 5 month old baby

Big milestone!!! Pls wait till baby completes 6 months

Refer 12 Dos And Don'ts Of Weaning Weaning Foods Simplified For All New Mothers

awesome links are here for weaning..u can follow dat

Agree with Priya,  don't start now ur BM is enough for your baby.  Do consult with ur pediatrician.