Microwave Uncrustable: How To Not Burn Your Dish?


Uncrustables is a brand of pre-made, frozen sandwiches made by the American food company, Smucker’s. The sandwiches consist of peanut butter and jelly or other filling options, such as chocolate or hazelnut spread, sandwiched between two slices of crustless bread. Manufacturers often produce them frozen, and customers only need to defrost them to eat immediately.

Even so, many people still want to accelerate this process by making microwave uncrustable. This article will tell you whether the above method can work or not. Continue reading to enrich your kitchen tips!

Microwave Uncrustable

Can You Microwave Uncrustable?

Can You Microwave Uncrustable?

When it comes to the question: “Can you microwave uncrustables?” the answer is yes, even though most manufacturers disagree.

This sandwich filling is usually made of fat and water, such as butter, jams, or chocolate, which absorb and retain heat well. Meanwhile, the outer crust is dry and needs much time to reheat.

The consequence of this difference is that the core can burn from the inside before the outer shell can reach the desired temperature. Therefore, for the above process to not become a disaster, you must adjust the temperature and time accordingly, specifically below.

How To Defrost Uncrustables In The Microwave

The process of defrosting uncrustables in this device includes just three simple steps, include:

Step 1: Prepare The Sandwiches

You open the package and take out the number of sandwiches that need reheated. Remember, the original packaging of the cake is not intended for reheating or defrosting, no matter which method is used. They can metamorphose when heated and cause poisoning.

Step 2: Wrap Each Uncrustable

You neatly wrap each in tissue paper and put it in the device. The paper towels will absorb the escaping water crystals, helping the underside of the cake not to get soggy when reheating.

Step 3: Defrost Uncrustables In The Microwave

You adjust the average temperature and deforest with two sets for 15-20 seconds. After each interval, you flip the other side and continue the process. If the bottom of the paper towel is wet, you can replace it with a new one for a crispier sponge.

At the end of the process, you should let them for 1-2 minutes before serving or cut them in half to speed up the cooling process. It is not good if you eat them immediately because they can burn your tongue or negatively affect your teeth due to overheating.

How Long Do You Defrost Uncrustables In The Microwave?

There are no correct answers on how long to microwave uncrustables. However, with the above steps, this process takes 30 to 40 seconds for the cake to be completely defrosted and ready to serve.

Moreover, after defrosting, you should enjoy it within 4 – 8 hours when the cake tastes best. And after 24 hours at room temperature, you should throw it away instead of eating or storing it to avoid poisoning.

How Long Do You Defrost Uncrustables In The Microwave?

Alternative Methods for Heating Uncrustables

Although this above method assists in shortening the defrosting time, some companies will still recommend not using this method on the packaging. Instead, some other more traditional methods are suggested:

In Warm Water

You take the food from its packaging and put it in a food-safe Ziploc bag. To speed up the process, you can dip the tail in a water basin, squeeze out all the air inside and close the bag, avoiding water inside. This method may take 30 – 60 minutes, and you have to change the water every 20 minutes so that the internal and external temperatures do not saturate.

Under The Sunlight

You can leave your frozen food bag out in this natural light until it is soft and edible. It takes a long time, and you must flip every 2-3 minutes to help distribute the heat evenly.

What can Smucker’s Uncrustables be served with?

Uncrustables can be served with a variety of accompaniments depending on personal preferences. Here are some suggestions:

  1. Fresh or dried fruits
  2. Fruit juice or milk
  3. Soft drinks or carbonated beverages
  4. Dipping sauces, condiments, or seasonings
  5. Salad or fresh vegetables

By using a microwave to cook Uncrustables, you can combine them with other microwavable dishes to save time.

  1. French fries
  2. Baby carrots or carrot sticks
  3. Celery sticks with peanut butter or cream cheese
  4. Sliced cucumbers with hummus or tzatziki
  5. Apple slices with almond butter or peanut butter
  6. Trail mix with nuts, seeds, and dried fruit
  7. Air-popped popcorn
  8. Yogurt or cottage cheese with fresh fruit
  9. Rice cakes with avocado or nut butter


You already know how to microwave uncrustable defrost and don’t burn the insides. This method gives you a faster and more convenient meal than other ones. Nevertheless, there are also many risks that you must carefully consider, such as the time and temperature.