Is it okay to freeze banana puree and avocado puree?

This r e 2 fruits that easily turns brown. Why nt u just scoope it out n feed directly which is more fresh. I dont practice freezing of fruits and vegetables for my lo. I can give you suggestion on e types you can freeze. E•g Carrot, Pumpkin, Sweet Potato, Potato, Apple, Pear, peach, Prunes