Peel, destone and roughly chop the avocado, then place in a bowl and mash. Pick and tear in the basil leaves. Shred the chicken into small pieces, then add to the bowl. Mix together, add a little oil to loosen (if using), then serve to your little one.
For younger babies:
Blitz to a purée or very finely chop, depending on the stage your little one is at (for more information on stages of complementary feeding, click here.).