Can You Microwave Lobster?

Lobster is a common seafood appetizer. It complements many foods and the condiments you can use for lobster are seemingly endless. Most people eat lobster that has been grilled, steamed, or cooked, but probably not microwaved. 

When lobster is microwaved, it is cooked from the inside out. As long as it reaches the necessary internal temperature, this means that microwaved lobster can stay warm for longer than lobster that has been cooked using other methods.

Lobster can be microwaved. Whether you’re reheating it or cooking it originally, microwaving lobster works surprisingly well. 

Buying Lobster

Lobster can be legally caught year-round. It is more expensive in winter because lobsters hibernate and are harder to catch, and cheaper in the summer. Lobsters are kept in tanks in grocery stores. In a tank, a lobster stops eating and will begin to lose weight.

So, assess the condition of the tank and lobster before you purchase it to ensure that it suits your needs. Once bought, lobsters can be kept alive in a cooler with ice packs or in a refrigerator. Do not put lobsters in tap water at home unless you want them to die.

In a fridge or cooler, lobsters can stay alive for anywhere from half an hour to a whole day. Right before cooking, you can immobilize and sedate them by putting them in a freezer for five to ten minutes.

How to Microwave Lobster

To microwave lobster, first you will want to place it in a microwave-safe, heavy duty plastic bag. Add about one tablespoon of water, and seal the bag. Then, microwave for six minutes for one pound. Add one minute for every quarter pound of lobster you’re microwaving.

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Microwaving lobster is likely not the first method that comes to mind when you think of cooking lobster. But interestingly, it may be a sufficient way to do so. A microwave will heat lobster from the inside out, causing the lobster to simmer in its own juices. This will make it stay warm for longer.

Using a Microwave to Reheat Lobster

Maybe you aren’t starting from scratch and just wound up with leftover lobster. If you made too much lobster for a gathering and don’t want it to go to waste, the easiest way to reheat it is by microwaving it. If you can cook lobster in a microwave, you sure can reheat it in one too.

Like when you cook it, you just have to make sure it’s at the right internal temperature. Cold spots in food can be a breeding ground for bacteria, which we want to avoid at all costs. So, it’s important that you safely reheat it in the microwave.

  1. First, wrap lobster in damp paper towels and set them on a plate that is safe to go in the microwave.
  2. Set the microwave to its highest setting, and reheat for two to three minutes. 
  3. Check the internal temperature of the lobster with a meat thermometer. Ideally it should be at least 140 degrees Fahrenheit.
  4. Repeat the process if the lobster is not hot enough.
  5. If lobster is reheated out of its shell, you’ll want to heat for another additional 30 seconds to one minute. The internal temperature should still be around 140 degrees.
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Of course, there are many other ways to reheat lobster that has already been cooked. A microwave is just the fastest, and arguably easiest, way. When done correctly, your lobster might just taste the same as it did the first time around.


Lobster can be reheated or cooked in the microwave. Surprisingly, cooking lobster in the microwave can yield delicious results because it is cooked from the inside out, meaning the lobster will simmer in its juices. 

Using a microwave to cook lobster will keep the lobster warm for longer than other cooking methods. In a pinch, lobster can also be sufficiently heated in the microwave.