• Not expired condensed milk, the composition is only sugar and milk.
• Deep saucepan.
• Put the condensed milk without a label into the pan.
• After the water boils, reduce to a minimum.
• Add water so that the jar does not touch the bottom.
• Cook for at least an hour and a half, and no more than two.

To prevent the bank from bursting, it is IMPOSSIBLE - to use an expired product; condensed milk with additives; digest; add cold water to boiling water; sharply cool the finished condensed milk.