[1][2] The Spanish words directly relate to the two ingredients that make the dish, milk (leche) and rice (arroz).
The most traditional recipes use cow’s milk, water, rice, sugar, lemon peel and cinnamon.
[2] The mixture is then boiled slowly until it acquires a thick texture while being mixed occasionally to avoid any rice sticking to the cooking appliance.
[2] There is one variant in the preparation of the kamby arró in which vanilla is added to the ingredients mentioned above, thus creating a different flavor.
[1] In the Paraguayan country-side, the kamby arró is considered nutritious and a way to boost intelligence because of the use of cinnamon.