Can I heat cold brew coffee?

In this brief guide, we will answer the query, “Can I heat cold brew coffee?” and will discuss different techniques to heat cold brew coffee for better results.

Can I heat cold brew coffee?

Yes, you can heat cold brew coffee. Cold brew coffee is best heated with hot water since there is less possibility of “scorching” it, which may result in a harsh flavour. Add boiling water to your cold brew coffee, then add creamer or sugar as you would with a cup of brewed coffee. Another way to heat a cold brew coffee is to microwave it in 30-second intervals until it reaches the desired temperature. Avoid letting it boil or burn, since this can alter the flavour. 

What is meant by cold brew coffee?

There is a rising cult of cold brew coffee drinkers for good reason. It’s a smooth, adaptable coffee drink. As a result of its concentration, it offers the greatest amount of versatility without surrendering any of its robust tastes. The term “cold brew” refers to the brewing method used to create this particular cup of joe. Coldwater is used instead of boiling water to soak the coffee beans, which brings out the taste more.

By soaking in cold water instead of boiling, you’ll get the full taste of the beans in a shorter period (12 to 18 hours on average). The bitter undertones in the bean are also left behind by the cold water, making for a softer flavor and texture.

Does Cold Brew Coffee become Acidic if It’s Heated?

For the most part, people are aware that cold brew coffee has lower acidity and therefore prefer it. Few people realize, however, that the cold brewing procedure is responsible for this particular characteristic, which sets it apart from other hot coffees.

Consequently, it is sensible to ask if heating cold brew would destroy all the beneficial work that has been done due to how it is brewed to reduce acidity. Essentially, heating a cold brew won’t change its acidity.

Due to a variety of factors, the acidity of heated cold brew is not increased by heating extra coffee grounds. Since it is the heating of the grounds that give coffee its acidity, their absence implies that a heated cold brew won’t raise the acidity of heated coffee.

How strong your batch is in terms of the additional water ratio affects the acidity and caffeine levels of your cold brew more than heating it. For this reason, adding more or less water has no impact; all of the features are contained in the concentrate.

So, although heating your cold brew to drink it warmly may seem like cheating, don’t worry; you’re not doing anything to affect the strength of your brew other than adding water at that point.

How Do You Heat a Cold Brew?

The fallacies about heating cold brew have been eliminated, and today we can confidently say that it is possible. How do you heat cold brew9? This is an easy one to do depending on your equipment and the sort of cold brew coffee you have on hand. Here are several options for warming your cold brew.

Heating the concentrate on the stove

  • In a kettle, combine equal parts cold brew concentrate and water and cook over medium heat, stirring occasionally.
  • Once the kettle starts steaming, reduce the heat to low and simmer for one more minute. Allow it to cool in a wide-mouthed cup for a few minutes before drinking.
  • Sip on your hot cup of cold brew with gusto!

Heating the cold brew concentrate with hot water

  •  Heat water using any accessible technique; boiling water isn’t necessary, but it should be hot.
  • Warm the mug you’ll be using by cleaning it beforehand with warm water. This will assist distribute heat more evenly when heating your concentrate in the following step. 
  • Make sure your cup is just half-full with concentrate before sipping. If you want a weaker cold brew with less caffeine, just use less concentrate in the recipe.
  • Pour the water into your cup, allowing space for cream or sugar, if using, and then serve your cold brew immediately after.

Preparing Cold Brew that’s Been Premixed

  • Here’s where it gets a little tricky; first, review our list of things NOT to do, and then get your cooktop ready by heating a pot.
  • Place the saucepan over low heat and reheat the cold brew for one to two minutes, or until the desired temperature is reached.
  • Remove it from the fire, pour it into a cup of your choice, and drink it up!

Instead of using a microwave to make your cold brew faster, use one of the ways listed above. It’s not uncommon for people to try to save money by heating their cold brew inefficiently.


In this brief guide, we answered the query, “Can I heat cold brew coffee?” and discussed different techniques to heat cold brew coffee for better results.


Hi, I am Charlotte, I love cooking and in my previous life, I was a chef. I bring some of my experience to the recipes on this hub and answer your food questions.