Thermal Cooker: What is it and How to Use It

Thermal Cooker: What is it and How to Use It

What is thermal cooking? Thermal cooking is the method of cooking food by maintaining a consistent temperature. It’s an efficient and flexible form of cooking. The thermal cooker was invented in the 1970s as a more modern, trendy way to cook healthy meals quickly. Since then, the thermal cooker has become a staple kitchen appliance for people across the world. Thermal cookers are so popular because they allow people to cook healthier food at home whilst saving money and time.

There are an increasing number of thermal cooker designs on the market, with some that are built to be free standing, while other models specially made to fit certain pots will also work with any pots that don’t cover the whole circle.

Thermal Cooker How Does It Work?

Thermal Cooker How Does It Work?

A thermal cooker works by retaining heat inside the pot so that the food can continue to cook without the need for additional heat. Infrared heat is reflected back into the food by most modern thermal cookers. Aside from lowering your utility bills, there are other advantages to this.

To begin with, the dish will not become overcooked. It’ll also be healthier for you because the cooker locks in all of the nutrients. Grease, stink, or smoke will not be released, resulting in a cleaner kitchen and fewer chores.

Food can also cook while in transit. You can offer hot dishes at picnics and avoid having to reheat the stew you brought to the potluck with a thermal pot. It can also keep cold food cold, which is excellent news for ice cream lovers.

The Best 10 Reasons to Love Your Thermal Cooker:

1. Thermoelectric cookers are lightweight and easy to transport. They are non-electric, so you can carry them wherever you want and the food will continue to cook.

2. There’s no need to be concerned about overcooking your food. It’s not going to work.

3. You can eat anytime you want. You can enjoy your dinner and then put the leftovers in the thermal cooker for individuals who need to eat later, and the food will still be ready.

4. You save money on gas, which is a bonus in a lot of cases. It just needs a small amount of fuel to bring your meal up to the proper initial temperature, after which you can simply leave the thermal cooker to finish cooking your food for you. An additional point here: can you imagine what a boon thermal cooker would be to countries/people with limited access to, or incredibly expensive access to, fuel? What a wonderful device that needs to be shared with the rest of the globe through humanitarian activities.

5. I have the flexibility to begin meals at any time of day. I may create a meal for a neighbor at any time of day, deliver it to them, and tell them to leave it on their counter until they’re ready to eat it. There’s no need to fuss over cook times or juggle a busy schedule in order to prepare food at specific times. I prepare the meal when I have the time, deliver it when I have the time, and they may eat it whenever they want.

6. The food does not crumble. Regardless of how long it has been in the thermal cooker, the food maintains its integrity.

7. Meals that are extremely nutrient-dense All of the goodness stays inside because of the brief time spent on the burner and the fact that all of the cooking and heat is held inside with no evaporation. It traps taste, minerals, and nutrients while also producing less odor, grease, and smoke in the kitchen. It never overcooks and is very easy to clean.

8. Makes room on your stovetop for other things. Okay, this is a tremendous plus at large family gatherings, such as Thanksgiving and Christmas, as well as family birthday parties. Imagine being able to cook without taking up valuable stovetop space. YES. I can have mashed potatoes cooking in one thermal cooker that sits on the counter out of the way, and Catalina Chicken cooking in another thermal cooker that sits on the counter out of the way, freeing up all of my cooktop burners for other uses. Hallelujah.

This is the meal I prepared for my son’s birthday supper a few weeks ago. On my counter, I had three thermal cookers, each cooking something different that I started at my leisure at various times of the day. One was cooking mashed potatoes, another was cooking green beans, and the third was cooking Catalina Chicken. THAT MEANS I HAD THREE EMPTY BURNERS ON MY STOVETOP, which would have had to be utilized if I hadn’t been using thermal cookers.

9. When you get up, have breakfast ready. You can put things like 9-grain cereal, steel-cut oats, and other breakfast foods in your thermal cooker just before bed and wake up completely cooked, warm, and ready to eat. Overcooking or drying out is never a good thing. (To make the basic recipe, combine 2 1/2 cups grain with 4 cups water.)

10. Maintains the temperature of hot and cold meals. Yep. That’s correct. It will maintain the heat if you put something hot within it. It will maintain a frigid temperature if you put something cold in it. Consider carrying cold spaghetti or potato salad to a picnic and not having to transport it in a cooler with ice.

Cooking methods that are similar to thermal cooking and how they compare

Thermal Cookers Vs Pressure Cookers compare

Pressure cookers, like thermal cookers, are energy-saving devices. Pressure cookers, unlike thermal cookers, save money by speeding up the cooking process because water boils at a much higher temperature at higher pressures. Because breaking the pressure seal would break the pressure seal, pressure cookers do not have the advantage of being able to monitor your meal halfway through the cooking period as a thermal cooker does. A thermal cooker will also keep your food wet longer and is a better alternative for higher-quality cuts of meat than a pressure cooker’s bludgeoning heat.

Slow cooking is a cooking process that is similar to thermal cooking but is not to be confused with it. Slow cookers consume a lot of energy to maintain a steady temperature. As a result, they must be plugged in at all times, making them less portable than a thermal cooker. Furthermore, because the heating element of a slow cooker is always on, the food in a slow cooker has the potential to dry up or even burn, which is not a concern with a thermal cooker.

Recipe Book for the Thermal Cooker with Instructions on How to Use It

A woman has put together a fantastic recipe book that demonstrates how to utilize a thermal cooker in a variety of ways. This recipe book is fantastic, and I have it. Cindy Miller, the woman who authored it, is someone my husband knows and admires.

To use a thermal cooker, you don’t need any new recipes; all you need is a basic understanding of how it works, and you can use practically any recipe you currently have in it. But you should also acquire this recipe book because you will be shocked at how many things you can accomplish with a thermal cooker that you may not have considered before.

Thermal Cookers are available in a variety of brands.

Thermal Cookers are available in a variety of brands.

Thermal cookers come in a variety of brands, including Tiger, Tayama, Sunpentown, Saratoga Jacks, and Thermos, and we’ve tried out the majority of them. The Saratoga Jacks and the Thermos brands are two of our favorites. In fact, the people that provide the Saratoga Jacks brand are good friends of ours.

I no longer use anything but Saratoga Jacks and Thermos. After all these years, they’re the only two sorts we’ve saved. We are blown away by their quality and performance.

And, out of these two choices, I have to say that the Thermos brand is by far my favorite.

The Thermos brand is just a high-quality product. The inside stainless steel pot has a firm feel to it, indicating that it is well-made and not thin (18/8 stainless steel pot that provides lifespan, quality, and good food delivery.) I also appreciate the Thermos brand’s handles for carrying convenience.

Different Sizes of Thermal Cookers

1. Narita 7.5Q Thermal Cooker

Narita 7.5Q Thermal Cooker is designed to cook family meals faster and help you save on energy by using less gas and electricity. The thermal cooker is great for parties, camping, BBQs, and hiking. Place up to 6 dishes inside and let the hot pot simmer at a temperature of 100°C for up to six hours, then switch off and eat directly from the pot! The inner pot can also be used on its own as a thermos mug with a strainer lid. It’s suitable for soup, noodles, congee, porridge, or chowder.

2. Tayama Stainless Steel Thermal Cooker

The Tayama stainless steel thermal cooker serves up tender and moist meals without overcooking! The removable pot/insert seals in flavor, nutrients, and moisture for an optimal taste experience. Enjoy a hearty meal cooked to perfection in just 10 minutes with the energy-saving heat retention cooking method. This electric cooker is both safe and energy efficient, using only about 110-120 watts to cook an entire meal for the whole family – saving you time and money! Made from durable and sturdy stainless steel, this thermal cooker is designed with a double locking system and rubber handle for ultimate safety.

3. Thermos Brand Thermal Cooker

The thermal cooker is a revolutionary way to cook! The patented design creates an unbreakable vacuum seal. By cooking at a low temperature for a long period of time, flavors are preserved and all nutrients are retained. There are no direct flames, so there’s no added preservatives or chemicals.

Foods like rice and beans will not burn, scorch or dry out. And you can pack your thermal cooker with steamy hot goodness in minutes! You can even cook soups and stews, then use the removable strainer lid to lift it out once it’s done. One complete set includes: 1 Thermal Cooking Pot – this Cooker is specifically designed to heat from the bottom and sides, has a removable strainer lid and solid stainless steel handles that are both insulated and heat protected.

1 Thermal Cooking Lid – allows you to steam food without removing the entire lid. Silent Steamer Basket – easy to clean nylon basket designed to hold vegetables, shrimp or meat while steaming so it won’t fall through the bottom of the pot. Stainless Steel Spatula –  adds an extra tool to help you serve without scratching your Cooker pot

4. Zojirushi RDS-600 6-Liter Thermal Rice Warmer

The Zojirushi RDS-600 6-Liter Rice Warmer is a perfect addition to catering businesses and other food service applications that require reliable transportation and storage of rice. This easy-to-clean non-electric thermal rice warmer offers 360 degree heat distribution, keeping prepared rice hot for hours without altering its consistency. Its space-saving design allows you to use multiple containers in the same kitchen space, and it can also be stacked if space is limited.

5. THERMOS vacuum heat insulation cooker Shatorushefu 4.5L clear Brown KBG-4500 CBW

The super large size 4.5l stainless steel inner pot of the THERMOS vacuum heat insulation cooker allows you to cook a whole chicken! The design includes handles that are easy to hold and a folding spout, as well as a concave lid with an airtight seal. This item is vacuum-insulated and has three modes that secure for keeping food at the ideal temperature for hours on end: stewing, simmering, and warming. Use it for boiling vegetables, stir-frys, or candy. The tempered glass lid allows you to keep watch over your food from start to finish without releasing the heat inside!

Thermal Cooker Advantages

The advantages of thermal cookers are numerous. In this section, we’ll go through a few of them:

A Flavorful and Nutritious Meal

A longer cook time will result in a tender, flavorful, and nutritional dinner.

It’s ideal for picnics

With one loaded with food, you can go to picnics or camping. Because electricity and, in many cases, fire are unavailable in such locations, a large pot of hot home-cooked food may be just what you need.

Electricity and gas savings

The significant reduction in electricity and fuel consumption will benefit the environment while also significantly lowering your utility bills.

Convenient for Busy People

It’s ideal for busy people because it requires little preparation and the food may be prepared overnight or during the day while they are at work.

The cooked food will stay warm, so the days of eating cold or barely warm meals will be over. You will have the freedom to eat them anytime you choose.

Ideal for Special Occasions

Outdoor parties, holiday family meals, children’s tournaments, and other large gatherings are ideal.

No matter how long it’s been cooked, the dish will keep its structural integrity. It will soften and become tender, but it will not crumble.

Provides assistance with breakfast, lunch, and dinner

Breakfast, lunch, and dinner can all be extremely nutritious. Make breakfast the night before. Bring a smaller pot to work with you for lunch. It will be superior to any cafeteria or takeout food. You can return home to a cooker full of another cooked dish waiting to be served for supper.

FAQs About Thermal Cooker

Do thermal cookers really work?

Most new thermal cookers trap heat while also reflecting infrared heat back into the meal. This has a number of advantages in addition to lowering your utility expenses. To begin with, the food will not overcook. It’ll also be healthier for you because the cooker seals in all of the nutrients.

What is thermal cooker good for?

Slow cooking with trapped heat in an insulated cooker allows for the full release of flavors. This keeps the ingredients from browning and guarantees that the shape and color of the meat and veggies are preserved. The goal of a thermal cooker and thermal cooking is to cook with the least amount of energy and with no supervision.

What is the difference between slow cooker and thermal cooker?

Smaller dishes can be cooked in slow cookers all day long without trouble. Thermal cookers, on the other hand, rely on the thermal energy already present in the food to keep it warm. There is less energy and food can cool down too quickly if you eat a smaller meal.

How full should I fill the inner pot with food?

To get the most thermal mass out of your pot, the longer it takes for a particular meal to cook, the fuller it must be. Certain dishes require more time to prepare than others. Pinto beans, for example, require a long time to cook. So make sure your pot is full. However, because rice takes so little time to cook, it’s fine if the pot isn’t completely full.

What part of the thermal cooker goes on the stove?

On your heat source, only the inner pot should be utilized. The outer thermal pot should never be placed on the stove.

How long can food stay in thermal cooker?

If you follow the six key criteria I’ve listed below, your food will stay hot in the safety zone of your Thermos brand thermal cooker for up to 10-12 hours. If you use a different type of thermal cooker, your safe temperature window may be much less – which means less time.

How do you clean a thermal cooker?

Never submerge the exterior thermal pot when cleaning it. Never put anything in the dishwasher. Simply wipe it down with a clean wet cloth, inside and out, as needed.


So, what did we cover in this post? We started out with an introduction to thermal cooking and discussed how amazingly easy it is to use. Then I went into some detail about the benefits of using a thermal cooker, and how you can use it for so much more than just rice. Further on I gave a brief history of the thermal cooker, talked about the different models (like DadsCooker), and also gave some troubleshooting tips.

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