To make organic baby food at home you do not really need to do any measuring. You can simply prepare however much food you'd like and fill up the baby jars with what you make. You can also freeze any extra baby food in ice cube trays and then put the frozen cubes of baby food into Ziploc freezer baggies for storage, if you do not have any baby food jars handy. (Using jars is the most eco-conscious way to go.)
One way that you can save time is by making several jars at a time. I like set aside one day where I can make my baby's food and not have to worry about it for the rest of the week. You can freeze the organic baby food you won't be using in the next couple of days and just put it the refrigerator the day before you will need it.
Not all fruit needs to be cooked before blending, but harder fruits like apples will need to be cooked first. You can also bake your fruit or veggies, rather than boiling them. If you are making fruit that has seeds, you will need to strain the fruit first before serving.
Before you prepare your baby's homemade organic food, thoroughly clean your hands and whatever food you will be making. You will also need to peel certain foods such as apples and carrots before you cook them.