Freeze whatever you want
Using ice trays just to put water in them is now a forgotten custom. One day somebody thought it would be good to try to freeze other things, and the rest is history. We would like to know how such a good and practical idea crossed their mind. You can calculate the measurements for your meals effortlessly.
To calculate the exact measure of ingredients, and more importantly, to prevent food waste, you can put anything inside the ice trays. Sauce for pasta, desserts, spices, whatever you want. We will start to implement it in our daily life.