Recently, I discovered the technique of freezing my smoothies in ice cube trays in the freezer. (magicbulletblog.com)
Step 1: Once you have a nice liquid baby food puree you will then transfer the puree into ice cube trays for freezing / storage. (wholesomebabyfood.momtastic.com)
Even better freeze it in ice cube trays for so you can grab these for small single serving portions or to flavour soups and baked goods etc.. (recipesfromapantry.com)