It’s for broke people and all you need is hot water.
= = =
If you are careful, you can carefully open the top of the package and add hot water from the faucet in your cell.
Wait a bit for your delightful snack.
If you’re on lock down you can have the trustee get hot water and pour it through the gap in the door using a piece of paper from your file as a funnel. Jail cell water in never hot enough. You have to get it from the day room microwave.
Not that I would know