Can You Microwave Oil? What You Need to Know Before Trying

Categorized as Microwave Cooking
can you microwave oil

If you’re anything like me, you love cooking. But sometimes, the recipes you want to make can be a little bit… complicated. Take, for example, the process of making a basic pan sauce. Most recipes will tell you to heat up your pan on the stovetop before adding oil.

Then, once the oil is heated, you’re supposed to add your aromatics and let them cook until they’re fragrant. Only then are you supposed to add the main ingredient of your sauce – whether it’s chicken, beef, or vegetables.

Finally, you add a liquid (usually wine or broth), bring it to a boil, and let it all cook until it reduces into a delicious sauce.

But sometimes, you just don’t have the time or energy to go through all of these steps. This is when you may find yourself wondering, “Can I just microwave the oil instead?”

The answer is both yes and no. Some oils are suitable for microwaving while others are not. In general, if we talk about cooking oils, it’s not recommended to microwave them. But you can still use your microwave for warming up some oils, such as massage or essential oil.

The reason why you should not heat oil in a microwave is because it doesn’t contain any water molecules. Without them, the oil can’t absorb microwaves and get hot. So while it may feel warm to the touch, it is the container that is getting hot, not the oil itself.

As the container gets hotter, the heat transfers to the oil and can cause it to start heating up. This process is inefficient and can be dangerous as oil has a much higher smoke point than water. This means that it is easy for the oil to overheat. So be careful when microwaving any type of oil. Only microwave it for a few seconds at a time and in small amounts.

That said, some types of oil can be microwaved safely. Let’s look at these different oils and how you can use them in the microwave.

Different Types of Oils and Their Suitability for Microwaving

Let’s take a look at the different types of oils and their suitability for microwaving.

1. Vegetable Oil

It is possible to microwave vegetable oil, however, you should exercise caution in doing so. This is because the smoke point of vegetable oil can vary depending on the type of oil used.

It’s important not to overheat your vegetable oil when microwaving it. To prevent overheating, it’s best to set your microwave at medium or low power levels and only heat it for short periods of time (think 10-second increments).

Doing so will allow you to check the temperature of the oil without having it reach its smoke point quickly and create potential hazards. The better way to heat vegetable oil would be to use a stovetop instead.

2. Coconut Oil

Microwave coconut oil for melting it is very easy and safe. The process is relatively simple and straightforward, requiring only a few seconds of your time. To melt coconut oil, put it in a microwave-safe bowl or cup and heat it on low power for 10-15 seconds at a time, stirring in between intervals. Stirring the oil every few seconds will help evenly distribute the heat and ensure all parts of the oil are melted.

You’ll know that your coconut oil has melted when it becomes completely liquid and clear. It’s also important to remember that microwave ovens vary in power level and wattage, so the amount of time needed to melt the oil may differ from one machine to another.

3. Olive Oil

It is safe to microwave olive oil in small amounts when used as part of a recipe. For example, microwaving olive oil can be beneficial when making certain sauces or dressings that require adding the oil at the end of a cooking process.

In terms of safety precautions for handling heated olive oils, people should use oven mitts or pot holders when removing the container from the microwave oven. This will help minimize any risk of getting burned by hot steam or droplets of oil that escape during removal.

4. Essential Oil

The use of essential oils in aromatherapy has been popular for many years and is an increasingly popular trend today. Microwaving essential oil can be a great way to eliminate residue and stains, as well as remove any unpleasant odors from the container it is stored in.

To use this method, add a few drops of essential oil to a shallow bowl or cup that is microwave-safe and place it in the microwave. Heat the mixture on low power for 30 seconds then remove it from the microwave.

Take a clean cloth, paper towel, or hand towel and wipe the inside of the microwave oven. When you’re finished, your microwave will smell clean and fresh.

Here are some of my favorite essential oils for this purpose: lavender, lemon, orange, peppermint, and eucalyptus.

5. Massage Oil

Massage oils are great for soothing muscles and relieving tension and warmed oil can add an extra layer of relaxation to the experience. If you’re looking for a quick way to warm your massage oil microwaving is an option.

When considering whether it is safe to use a massage oil in the microwave, it is important to consider both the type of oil and its intended purpose. Massage oils come in a variety of ingredients, including natural plant oils and synthetic lubricants, as well as fragrances and other additives.

All these ingredients may respond differently when exposed to heat. Natural oils can be heated safely in the microwave, however, synthetic lubricants can often break down and separate when heated which could cause harm if applied to the skin.

Therefore, when using massage oils in the microwave I recommend doing a patch test first. This is done by microwaving a small amount of oil and then applying it on the inside of your wrist to check for any allergic reactions or other negative responses.

If the oil is heated up to a safe temperature, you can then proceed with heating and using it as normal.

Safety Tips When Microwaving Oil

No matter what type of oil you intend to microwave, here are a few safety tips to keep in mind:

1. Heat only small amounts of oil at a time.

As mentioned earlier, be sure to heat only a small amount of oil in the microwave at one time. It is easy to overheat the oil and cause it to boil or splatter which can be dangerous. By keeping the amount small, you will be able to avoid any potential accidents or messes.

2. Use a microwave-safe container

It is always important to use containers and dishes that are marked as microwave-safe. This will help ensure that the container won’t get too hot and cause a fire hazard. If you’re not sure which containers are safe to use in the microwave, pick ones that are made out of glass or ceramic.

3. Don’t microwave it for too long and use low-power settings

When microwaving oil, you should always use low-power settings and not heat it up longer than necessary. This will help to ensure that the oil will not get too hot and cause any potential damage.

4. Make sure the container is completely dry

Make sure that the container you are using is completely dry before heating it up. When microwaving oil, any water droplets in the container can cause it to splatter and become dangerous.

5. Never leave the oil unattended while microwaving

Finally, never leave the oil unattended while microwaving. Even if it is on low-power settings, you should always check on it periodically to make sure it is not getting too hot.


So, can you microwave oil? It depends on the type of oil. Some oils are unsuitable for microwaving because they don’t absorb microwaves well and can easily overheat.

But other types of oils, such as essential oils or massage oils, can be microwaved safely in small amounts. Just be careful not to heat them up for too long or unattended and always use a microwave-safe container.

By Rosie Elliott

I’m Rosie. I’m a professional chef with experience in Western, Mediterranean, and Italian cuisine. I’ve been cooking for over 15 years, and I have two daughters that keep me busy!