A “crisping sleeve” is a device made of paperboard and affixed with a susceptor used both as a rigid container to support the food items within and to focus heat on the foodstuff. They are generally intended for a single use. Hot Pockets is an example of a product which uses crisping sleeves.



Does the crisping sleeve work?

Here’s why it works: The sleeve on the outside of a Hot Pocket is called a susceptor. It’s made with a material that turns a microwave’s electromagnetic energy into radiant heat. Instead of just steaming the food, the microwave acts like a broiler and will crisp bread instead of steaming it dry.

Does the Hot Pocket sleeve do anything?

The Little Sleeve Is Called a Susceptor

Every Hot Pocket needs to be microwaved inside a little cardboard sleeve that’s called a susceptor. The purpose of it is to absorb microwaves and concentrate more heat onto the Hot Pocket — in a sense “broiling” it so the crust becomes crispier.

Can you cook a Hot Pocket without the crisping sleeve?

THE BEST WAY TO COOK A HOT POCKET IS … Do not use a paper plate. I don’t know why that is in the directions, but it’s dumb, it burns through it. DO NOT use the crisping sleeve, it’s better without it.

How do crisping sleeves work in microwave?

Per the susceptor’s patent, the “food item is wrapped with plastic film or other dielectric substrate…which controls the microwave conductivity when the package is placed within a conventional microwave oven.” The covering then “converts some of the microwave energy into heat which is transmitted directly to the …

Can you microwave Hot Pocket without sleeve?

In order to safely microwave hot pocket, place them in the crisping sleeve and stick them into microwave for about two to four minutes. However, if you microwave them for the stipulated time on the packaging instructions, they are likely to turn soggy.

Who invented the crisping sleeve?

Chef America launched the Hot Pockets brand in 1980. Three years later, Hot Pockets introduced the crisping sleeve to the retail market. Graphic Packaging created that susceptor. It was the first of its Active Microwave Packaging innovations to hit the market.

What is a susceptor used for?

A susceptor is a material used for its ability to absorb electromagnetic energy and to convert it into heat. It is a conductive metal material that is used to transfer heat to another piece of metal or non-conductive material; it is used to transfer the heat to the target by conduction or radiation.