Sourdough bread isn’t just a loaf—it’s an experience. The tangy, chewy texture and the satisfying crunch of the crust make it a staple in many homes. But when it comes to sourdough baking, not all flour is created equal. If you’re striving for that perfect sourdough loaf, King Arthur Flour is a name you need to know. Trusted by both amateur and professional bakers alike, King Arthur has been helping people create delicious, high-quality bread for over 200 years. In this guide, we’ll explore everything you need to know about baking King Arthur sourdough bread, from choosing the right ingredients to understanding the science behind sourdough and crafting the perfect loaf.
Why Choose King Arthur Flour for Sourdough?
If you’re new to sourdough baking, you may wonder why King Arthur Flour is often recommended by experts. Here’s why it’s one of the best choices for your sourdough:
High-Quality Flour for Perfect Sourdough
When it comes to sourdough, the quality of the flour is crucial. Sourdough bread requires strong, well-developed gluten to rise and maintain its structure. King Arthur Flour offers a variety of high-quality options, from their All-Purpose Flour to Whole Wheat and Rye Flour, ensuring you get the best possible results every time you bake. King Arthur’s flour has a protein content of 11.7%, which is ideal for building the gluten structure needed for great sourdough.
Consistent and Reliable
Baking with King Arthur flour means you’re using a product that’s consistently high-quality. No matter where you buy it or when you buy it, King Arthur flour provides the same reliable results, which is essential for sourdough, where consistency is key.
A Heritage of Quality
King Arthur Flour has been around for more than 200 years, and their dedication to quality is unmatched. They source the best wheat, mill it to perfection, and ensure each batch meets the high standards of their customers. This long history and commitment to excellence is why bakers trust King Arthur for their sourdough needs.
What Is Sourdough Bread?
Sourdough bread is unique in that it’s made without commercial yeast. Instead, it uses wild yeast and lactic acid bacteria from the environment, creating a naturally fermented dough. The wild yeast works to raise the dough, while the bacteria create the tangy, distinctive flavor that sourdough is known for.
Unlike store-bought bread, sourdough’s longer fermentation time allows the natural yeast and bacteria to break down the starches and gluten, making it easier to digest and adding to the depth of flavor.
How to Make a King Arthur Sourdough Starter

At the heart of every good sourdough loaf is a sourdough starter. A starter is a mixture of flour and water that ferments over time to create the wild yeast needed to rise your dough. Fortunately, making your own starter is easy, and King Arthur provides a step-by-step guide for beginners.
Ingredients for Your Sourdough Starter
- 1 cup King Arthur all-purpose flour (you can also use whole wheat or rye for different flavors)
- 1 cup water (room temperature)
- A clean jar (for mixing and storing your starter)
Instructions for Creating Your Starter
- Day 1: Mix the flour and water in a clean jar. Stir until you have a thick, smooth paste. Leave the jar at room temperature (ideally between 70°F and 75°F). Cover the jar loosely with a lid or cloth to allow air to flow in.
- Day 2: Check for any bubbles or signs of fermentation. If you don’t see much happening, that’s okay. Discard half of the mixture and add equal amounts of fresh flour and water (about 1/2 cup each). Stir well and cover again.
- Days 3-5: Continue to feed your starter every 24 hours, discarding half of the mixture each time and adding more flour and water. After a few days, you should start to notice more bubbles and a slight tangy smell, indicating that the yeast is developing.
- Day 6: By this point, your starter should be bubbly, active, and have a tangy aroma. You can test its readiness by dropping a spoonful of starter into a glass of water—if it floats, it’s ready to use!
Feeding and Maintaining Your King Arthur Starter
Once you’ve created your starter, it’s essential to maintain it. Regular feedings help it stay strong and active, ready to make your dough rise.
- Feed your starter once a day if you’re keeping it at room temperature.
- If you’re storing it in the fridge, feed it once a week. Just take it out a day before you plan to bake, feed it, and let it come to room temperature before using.
To feed your starter, simply discard half of it, then add fresh flour and water in equal amounts (typically 1/2 cup flour and 1/2 cup water). Stir well and allow it to ferment at room temperature for several hours.
Baking Your King Arthur Sourdough Bread
Once your dough has proofed and risen beautifully, it’s time to bake. Baking sourdough can be an art form in itself, and there are several methods to help achieve that perfect crust and texture. Let’s dive into the baking process.
Using a Dutch Oven for the Best Sourdough Crust
A Dutch oven is one of the best tools for baking sourdough bread at home. It creates a steam chamber during the first part of the baking process, which results in a perfect, crispy crust. If you don’t have a Dutch oven, don’t worry—there are alternatives you can use, such as a baking stone or a simple covered roasting pan.
Steps for Baking Sourdough in a Dutch Oven:
- Preheat the Oven: Place your Dutch oven (with the lid on) inside the oven while preheating to 475°F (245°C). This will allow the Dutch oven to heat up and provide the necessary heat for baking.
- Transfer the Dough: Once the oven has reached temperature, carefully remove the Dutch oven (it will be extremely hot!) and transfer the dough inside, either by lifting it with parchment paper or by gently turning the proofing basket upside down. Be sure to score the dough with a sharp knife or razor blade (lame) before baking to help control the rise.
- Bake the Bread: Place the lid back on the Dutch oven and bake for 20 minutes. After 20 minutes, remove the lid to allow the crust to brown and bake for an additional 20-25 minutes until the loaf is golden brown and has a hollow sound when tapped on the bottom.
- Cool the Bread: Once baked, remove the bread from the Dutch oven and place it on a cooling rack. Let it cool completely before slicing. The bread will continue to cook slightly as it cools, allowing the flavor to fully develop.
Alternative Method: Baking on a Stone
If you don’t have a Dutch oven, you can bake your sourdough bread on a preheated baking stone. Here’s how:
- Preheat the Stone: Preheat your oven to 475°F (245°C) and place a baking stone inside to heat up for 30 minutes.
- Prepare the Dough: Once the dough is ready for baking, place it on parchment paper, and score it as desired.
- Steam the Oven: To create steam in the oven, you can place a metal baking tray on the bottom shelf while the oven is preheating. When you place the bread in the oven, pour some hot water into the tray to create steam. This will help form that beautiful crust.
- Bake the Bread: Slide the bread (on the parchment paper) onto the hot stone. Bake for 25-30 minutes, until the crust is golden brown and crisp.
Common Sourdough Baking Challenges and How to Overcome Them
Baking sourdough can be tricky, especially if it’s your first time. Don’t be discouraged if things don’t go perfectly. Here are some common issues you might encounter and how to fix them.
My Dough Didn’t Rise Enough
If your dough didn’t rise as expected, it’s likely that your starter wasn’t active enough, or the dough didn’t ferment long enough. To fix this, make sure you feed your starter regularly and ensure that it’s bubbly and active before using it. Additionally, allow enough time for bulk fermentation, and keep your dough in a warm, draft-free place during the rise.
My Sourdough Is Too Dense
A dense loaf can result from under-fermentation or using flour with insufficient gluten content. Always use high-quality flour like King Arthur to ensure proper gluten formation. If your dough is too dense, try adding a longer bulk fermentation time, or make sure your starter is strong and fully mature before use.
The Crust Is Too Hard
If your crust is too thick or hard, it could be due to overbaking or not enough steam in the oven. Make sure your Dutch oven or baking stone is preheated, and always ensure there’s steam in the oven during the first part of the bake. If the crust is still too hard, try lowering the oven temperature slightly.
Advanced Techniques for King Arthur Sourdough: Variations and Add-ins
Once you’ve mastered the basics of King Arthur sourdough, there are several ways to experiment and make your bread even more unique. Here are some variations to try.
Sourdough with Whole Wheat or Rye Flour
For a more rustic flavor, try incorporating whole wheat or rye flour into your sourdough. Rye flour, in particular, adds a beautiful tang to the bread, while whole wheat flour adds depth and a slight nuttiness. Replace up to 50% of the all-purpose flour with whole wheat or rye flour to start, and adjust according to taste.
Add-ins for Flavor
Add-ins can take your sourdough bread to the next level. Consider mixing in ingredients such as:
- Seeds: Pumpkin, sunflower, or sesame seeds add a nice crunch and nutty flavor to your loaf.
- Herbs: Fresh or dried herbs like rosemary, thyme, or oregano infuse the dough with fragrant flavors.
- Dried Fruit: For a sweeter twist, add dried fruits such as cranberries, raisins, or apricots.
Simply fold in your chosen add-ins during the mixing process to incorporate them evenly throughout the dough.
Storing Your King Arthur Sourdough
Proper storage is crucial for keeping your sourdough fresh and tasty. Here’s how to store your homemade sourdough:
Short-Term Storage
For the best texture and flavor, eat your sourdough within the first 2-3 days. Keep it in a breadbox, cloth bag, or wrapped in a clean kitchen towel. Avoid storing it in plastic, as this can make the crust soft.
Long-Term Storage
If you want to keep your sourdough longer, slice it and freeze individual pieces. Place the slices in a plastic bag or airtight container and freeze for up to 3 months. When you’re ready to eat, toast the slices directly from the freezer for a delicious, freshly-baked experience.
Troubleshooting Your King Arthur Sourdough Bread

If you encounter any issues while baking your King Arthur sourdough, here’s a quick guide to troubleshoot:
My Bread Is Too Flat
This can happen if your dough wasn’t properly shaped or proofed. Make sure to shape the dough tightly and allow for enough resting time.
The Loaf Is Too Dry
This may occur if your dough was too dry or overbaked. Next time, try adding a bit more water to the dough and monitor the baking time more carefully.
My Bread Didn’t Have Enough Tang
The tangy flavor in sourdough comes from the wild yeast and bacteria. If your bread isn’t tangy enough, try allowing your dough to ferment for a longer period. You can also refrigerate the dough for 12-18 hours during the final proofing to enhance the flavor.
Conclusion: Your Journey with King Arthur Sourdough
Baking sourdough bread with King Arthur Flour is more than just a recipe—it’s a journey of learning, patience, and creativity. Whether you’re a beginner or an experienced baker, King Arthur’s high-quality flour, reliable recipes, and comprehensive resources provide the perfect foundation for creating beautiful, flavorful sourdough bread.
Remember, each loaf is an opportunity to experiment, refine, and enjoy the process. As you continue to bake and improve your skills, you’ll find your own unique rhythm in sourdough baking. So grab your ingredients, start your starter, and embark on a delicious, rewarding journey with King Arthur sourdough!
Happy baking, and enjoy the perfect loaf every time!
FAQs:
Q: What type of flour should I use for King Arthur Sourdough?
A: It’s best to use King Arthur Unbleached All-Purpose Flour or King Arthur Bread Flour for the best texture and rise in your sourdough bread.
Q: How long does it take to make King Arthur sourdough bread?
A: It takes about 24 hours from start to finish, including the time for your sourdough starter to ferment, the dough to rise, and baking.
Q: Can I use sourdough discard for King Arthur Sourdough bread?
A: Yes, you can use unfed sourdough discard in some King Arthur recipes, but for the best results, use a freshly fed, active starter.
Q: How can I tell if my sourdough is done baking?
A: Tap the bottom of the loaf—if it sounds hollow, your sourdough is ready. You can also check the internal temperature, which should be around 200°F (93°C).
Q: Can I refrigerate my sourdough dough?
A: Yes, you can refrigerate the dough during the proofing phase for up to 18 hours. This will develop more flavor and allow you to bake it when convenient.
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