rajouterai

/ʁa.ʒu.tʁe/rajouter
1.
verbIndicative1stFutureSingular1

will add more / will add an extra amount

will add or include (to a list, text, conversation, etc.)

Je rajouterai un peu de sel dans la sauce si c'est trop fade.

I will add a bit more salt to the sauce if it's too bland.