Baby poo question

Iv

My baby girl is 4 months now and ebf . Today I Changed her diaper and I notice this . Not sure what it is she seems fine eating normal and peeing , but yesterday I did give her a taste of banana i did smash the banana and gave her a little taste can this be it ? Let me just say also I was sick for the past days but I stopped taking tynenol since Thursday since I’m already feeling better . what can this be ?? Anyone else baby ever poo this ? Tia