This recipe for dulce de leche may possibly be the easiest recipe ever.
I used my Instant Pot 7-in-1 DUO60 to make this. You can learn more about it and purchase it here:

The jars I used, I found at Jo-Ann Fabrics but you can find the same thing on Amazon here (and they’re cheaper!):

All you need to make the recipe are enough mason jars to fit in your Instant Pot in one layer and a couple cans of Sweetened Condensed Milk.

You’ll also need to use the trivet that comes with your IP.