How to Reheat Sourdough Bread (A Complete Guide)

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Sourdough bread is a timeless classic. It’s celebrated for its tangy flavor, rustic bread crust, and chewy crumb. Whether you’ve baked your own homemade sourdough bread or picked up a fresh loaf from your favorite bakery or grocery store, you may find yourself with leftover sourdough bread. The question then arises: how to reheat sourdough bread to recapture its irresistible texture and taste?

In this guide, we’ll explore the different ways on how to reheat sourdough bread while also delving into the captivating origin story of this beloved crusty bread.

Related: how to reheat a burger, how to reheat a burrito, how to reheat artichoke, how to reheat brownies

Sourdough bread loaf and slices.

The Origin of Sourdough Bread

Sourdough bread can trace its origins back thousands of years. It’s often regarded as one of the oldest forms of leavened bread. Sourdough is made by capturing and cultivating wild yeasts and bacteria to ferment flour and water. This fermentation process gives sourdough its distinctive tangy flavor and characteristic rise.

The use of sourdough as a leavening agent in bread dates back to ancient Egypt and has been a staple in many cultures ever since. Gold Rush miners even carried sourdough starter with them to the American West in the 1800s, leading to the nickname “sourdoughs” for these settlers.

Today, sourdough bread has experienced a resurgence in popularity, thanks to its artisanal qualities and complex flavors. From San Francisco’s famous sourdough to the countless variations crafted by home bakers worldwide, sourdough has solidified its place in the pantheon of bread.

Golden gate bridge in San Francisco.

Reheating Sourdough Bread: Choosing Your Favorite Method

Below, you will find different methods and their following instructions on how reheat this popular bread while preserving its unique qualities.

Woman holding sourdough bread.

The Oven Method

Step 1: Preheat your oven to 350°F (175°C).

Step 2: Wrap the entire loaf in aluminum foil, leaving a small opening at the top of the bread to allow steam to escape. Wrapping the whole loaf of bread prevents it from drying out during reheating.

Step 3: Place the wrapped bread on an oven rack in the preheated oven for about 10-15 minutes. The exact time may vary depending on the size of the loaf and if you’re using a conventional oven, so keep an eye on it. You’re aiming to restore the crisp crust and achieve a warm internal temperature.

Step 4: Carefully remove the warm bread from the oven, unwrap it, and let it cool for a few minutes before slicing and enjoying. The crust should be revitalized, and the crumb should be warm and inviting.

Woman and child taking bread out of the oven.

The Toaster or Toaster Oven Method

Step 1: Slice your sourdough bread into individual slices of your desired thickness.

Step 2: Preheat your toaster or toaster oven to a medium setting. If your toaster has adjustable browning levels, choose a moderate setting to avoid over-browning.

Step 3: Place the sourdough bread slices directly into the toaster or toaster oven. Toast them for a couple of minutes until they reach your preferred level of crispiness. This usually takes 1-2 cycles.

Step 4: Once toasted, remove the slices carefully, as they will be hot. Allow them to cool for a minute or two before enjoying.

White toaster with bread slices.

The Steaming Method

Step 1: Boil a pot of water.

Step 2: While the water is boiling, wrap entire loaf of bread tightly in aluminum foil, just as you would for the oven method.

Step 3: When the water is boiling, hold the wrapped sourdough loaf over the steam for about 1-2 minutes. You can use a steam basket to assist with this method. This gentle steaming will help revive the crust without making it overly crispy.

Step 4: Unwrap the bread and let it cool slightly before cutting and enjoying your slices of bread.

Steam coming out of a pot on a stovetop.

The Stovetop Method

If you don’t have a toaster or oven, using a stovetop or electric burner is another great way to reheat your sourdough bread.

Step 1: Heat a non-stick skillet over medium-low heat and add a bit of butter. 

Step 2: Toast the sourdough slices on each side until they reach your desired level of crispiness.

Skillet on a stovetop.


Sourdough bread, with its ancient roots and unparalleled flavor, holds a special place in the world of bread. Learning how to reheat sourdough bread is a valuable skill that allows you to savor its unique qualities time and time again. Whether you choose the oven, toaster, or steaming method, you can be sure that your reheated homemade bread or store-bought bread will offer the same delightful experience as when it was first baked. 

While you’re here, take a moment to check out our easy bread recipes along with our new coffee chocolate chip cookies recipe!

Tips for Reheating Sourdough Bread

  • Avoid the Microwave: While a microwave oven can be convenient for many things, it’s not an ideal way for reheating sourdough bread. Microwaving tends to make the bread soft and can rob it of its prized crust.
  • Don’t Rush: Take your time when reheating leftover bread. Slow and gentle methods like the oven or steaming will yield the best results.
  • Use a Bread Knife: When slicing your sourdough, use a serrated bread knife and a cutting board underneath to maintain the bread’s structure and prevent it from getting squashed.

Now that you know the best methods for reheating sourdough bread to perfection, you can enjoy every slice as if it just came out of the oven. Your once stale bread will be revived and ready to enjoy in your own favorite way!

Keep in mind that you can implement these methods with all types of bread. You can try them with bread sticks, French bread, garlic bread, and any other artisan breads. 


Can I reheat frozen sourdough bread directly from the freezer, or should I thaw it first?

You can reheat a frozen loaf of sourdough bread or even a frozen baguette directly from the freezer. Follow the recommended reheating method (oven, toaster, or steaming) but add a little extra time to account for the frozen state.

Can I reheat sourdough bread in the microwave?

While it’s possible to reheat sourdough bread in the microwave, it’s not recommended. Microwaving can turn it into soft bread and compromise its crust. Slow, gentle methods like oven or steaming are preferable.

How do I store leftover sourdough bread to maintain its freshness for reheating?

An easy way to store leftover sourdough bread, wrap it in a clean, dry cloth or place it in a brown paper bag to allow air circulation. Avoid using a plastic bag, as it can make the crust soggy. Store fresh bread at room temperature for a day or two, or freeze it for longer-term storage. Alternatively, you can also use bread boxes to store your loaves of bread.  

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