Can You Microwave Starbucks Cups? (What To Do Instead)

Starbucks coffee is all about convenience, so you should be able to just pop your cup of coffee or other hot drink in the microwave to reheat, right?

But it is not as simple as that. Starbucks cups have a “Do Not Microwave” warning. You can read more to find out what else you should do.

Can You Microwave Starbucks Cups In 2022?

Starbucks cups include a “Do Not Microwave Warning” printed on them. It means they are not safe to be used in the microwave, due to their inner plastic lining. You can pour your remaining Starbucks drink in a safe microwaveable cup or mug, which will then heat up safely.

It’s possible that you are wondering whether it is safe to microwave these new Starbucks cups. Or how you can reheat your coffee in a different way than microwaving Starbucks cups. These are the results of some extensive research.

Microwave Starbucks Coffee Cups – What’s the problem?

People have become so accustomed to the convenience of Starbucks coffee that in most cases they wouldn’t think twice about microwaving a cup of coffee to reheat it.

If you pay attention, however, you will see that Starbucks cups have a printed warning “Do Not Microwave” on the bottom.

Along with other Starbucks customers you may be looking for why Starbucks cups cannot be microwaved.

Starbucks paper cups are actually made of paper with a plastic lining, and neither material does well in the high heat of a microwave.

To prevent leakage, Starbucks coffee cups made of paper have a thin plastic liner inside. But, the plastic isn’t microwave-safe. It could leak into your hot coffee or other beverages if heated.

People who attempt to microwave Starbucks coffee cup find the heat melts the glue.

You certainly don’t want melted glue mixed into your latte! It would mess up the taste, and also pose unknown health risks.

If the glue is melted, there are leakages that can occur along the seam. Even if the seam is not there, it’s possible for the cup to disintegrate.

How Can You Re-Heat Starbucks Hot Drinks?

In general, it’s not a good idea to microwave food or drink in plastic containers, even if they are labeled BPA-free.

It’s possible for plastic to react with high temperatures in the microwave, releasing chemicals into the food or beverage. This convenience is not for everyone.

What should you instead do? The best option is to use a microwave-safe cup or glass to reheat your drink.

In general, ceramic is a safe and good choice for the microwave. You should make sure that there are no metal decorations or highlights, like gold lettering or designs, because you can’t put metal in the microwave.

The microwave can be used to heat your cup or mug. If you wish, you could reheat the drink in a mug or cup.

Alternately, you can heat the drink over the stovetop. Mix the ingredients in a saucepan. Heat it over medium heat.

You might find that the stovetop method keeps the drink tasting the best. It is definitely worth the extra effort.

Microwave Starbucks’ Reusable Coffee Cups

Starbucks’ reusable cups have been labeled microwave safe, however we suggest caution. Microwave on medium power, in increments of 30 seconds.

Let’s look closer. The Starbucks plastic reusable cups are made from type 5 polypropylene, which is best used for cold drinks.

If used as directed, it can be microwave-safe. The problem with microwaveable plastic containers is also a concern.

Heating plastic at very high temperatures can pose too many health hazards, so it is best to avoid.

The reusable cup is a good thing for many reasons. It can substitute for the single-use Starbucks cups that are contributing to the problem of plastic pollution.

You can reuse a reusable coffee cup up to 30 times provided it has been properly cleaned. It is best to not microwave it.

To find out more, you can also see our posts on whether or not Starbucks has boba, if Starbucks has oat milk, and if Starbucks refreshers have caffeine.

Starbucks paper cups have a “Do Not Microwave” warning printed on the bottom, and it’s best to follow that advice. The reason is that the plastic lining of paper cups can release toxins into your beverage if it’s heated in the microwave.

Avoiding potential health dangers, you should avoid using plastic containers to heat drinks and food in the microwave. Before heating food or drinks in the microwave, it is safer to place them in a microwave-safe container such as a ceramic cup.

Are You tempted to microwave a Starbucks Cup?

Conclusion. Unfortunately, Starbucks paper cups can’t be microwave-friendly. Microwave heat can cause damage to the cup’s lining or adhesive glue. First of all, the paper cups have a very thin lining that can’t hold up to extreme heat.Jun 25, 2020

Can I Heat Up Starbucks Cup In Microwave?

Starbucks cups might seem microwave safe since they are made of paper. January 11, 2022

What happens to a mug printed with the message “Do NOT Microwave” when it is microwaved?

Metal can form electric arcs if it is exposed to the powerful electromagnetic field in a microwave. It should still be safe to use, except if the mug becomes a solid lump or has shards scattered all over it. You shouldn’t do any damage for the long term.

Do You Have the Ability to Microwave Reusable Starbucks Cups?

Although it is lightweight, comfortable and easy to transport around, the product does feel somewhat fragile. Nov 6, 2018,

.Can You Microwave Starbucks Cups? (What To Do Instead)