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Can you eat sourdough bread on keto diet: Low Carb Recipe

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The ketogenic diet, or keto diet for short, is a low-carb, high-fat diet that has gained popularity for its potential weight loss and health benefits. If you're following a keto diet, you may be wondering can you eat sourdough bread on keto diet, a beloved and tangy bread variety. In this blog post, we will explore whether sourdough bread is compatible with the keto diet, provide some helpful tips, and even share a delicious keto sourdough bread recipe.

Although sourdough bread is typically made from flour, which is high in carbohydrates, it can still be enjoyed on a keto diet with some considerations. The fermentation process involved in making sourdough bread reduces its overall carb count compared to traditional bread. This fermentation also leads to a lower glycemic index, which means it may have a lesser impact on blood sugar levels. Keto dieters can opt for low-carb or keto-friendly sourdough bread options that are made with alternative flours like almond flour or coconut flour. By choosing these alternatives, you can satisfy your bread cravings while maintaining your low-carb lifestyle.

Sourdough Bread you can eat on a Keto Diet

Can You Eat Sourdough Bread on a Keto Diet?

The key phrase "Can you eat sourdough bread on a keto diet?" is a common question among those following a ketogenic lifestyle. The answer, unfortunately, is not a simple yes or no. Sourdough bread, like other types of bread, is typically made from flour, which is high in carbohydrates. However, there are some factors to consider that may make sourdough bread a viable option for keto dieters.

Understanding Sourdough Bread and the Fermentation Process

Sourdough bread is made using a sourdough starter, a fermented mixture of flour and water. During the fermentation process, naturally occurring yeast and bacteria break down some of the carbohydrates present in the flour. This breakdown leads to the production of lactic acid and carbon dioxide, which gives sourdough bread its characteristic tangy flavor and chewy texture.

Lower Carb Count Compared to Traditional Bread

One of the reasons sourdough bread is often considered a healthier option than regular bread is because the fermentation process reduces the overall carb count. The longer fermentation time allows the yeast and bacteria to consume some of the carbohydrates, resulting in a bread with fewer carbs compared to traditional bread.

Sourdough Bread and Blood Sugar Levels

Another aspect that makes sourdough bread potentially suitable for a keto diet is its impact on blood sugar levels. The fermentation process in sourdough bread breaks down the carbohydrates into simpler forms, which may result in a lower glycemic index. This means that sourdough bread could potentially have a lesser impact on blood sugar levels compared to bread made with regular flour.

Tips for Enjoying Sourdough Bread on a Keto Diet

While sourdough bread can be incorporated into a keto diet, it's important to keep a few things in mind. Here are some tips to help you make the best choices:

  1. Opt for Low-Carb Sourdough Bread: Look for low-carb or keto-friendly bread options that are specifically designed to fit within a low-carb lifestyle. These breads are often made with alternative flours such as almond flour or coconut flour, which have fewer carbs than traditional wheat flour.
  2. Check the Nutritional Profile: Always read the nutrition facts label to determine the carb count and serving size of the sourdough bread you choose. Aim for bread with a low net carb count, which is calculated by subtracting the grams of fiber from the total grams of carbs.
  3. Consider Homemade Keto Sourdough Bread: Making your own keto sourdough bread allows you to have better control over the ingredients and carb intake. Plus, it can be a fun and rewarding baking project. We'll share a delicious keto sourdough bread recipe later in this blog post.
  4. Pay Attention to Portion Sizes: Even when choosing low-carb sourdough bread, it's essential to be mindful of portion sizes. While the carb count may be lower, it's still important to keep your overall carb intake in check to maintain ketosis.

Keto Sourdough Bread Recipe

If you're feeling adventurous and want to try making your own keto sourdough bread, here's a simple recipe to get you started:


  • 2 cups almond flour
  • 1/4 cup psyllium husk powder
  • 1/4 cup flaxseed meal
  • 1 teaspoon apple cider vinegar
  • 1/2 teaspoon salt
  • 1/2 teaspoon baking soda
  • 1/2 cup warm water
  • Sourdough starter (follow your preferred recipe or purchase from a store)

Supplies Needed:

  • Mixing bowl
  • Loaf pan
  • Parchment paper


  1. Preheat your oven to 350°F (175°C) and line a loaf pan with parchment paper.
  2. In a mixing bowl, combine the almond flour, psyllium husk powder, flaxseed meal, salt, and baking soda. Mix well.
  3. Add the sourdough starter, warm water, and apple cider vinegar to the dry ingredients. Stir until well combined and a dough forms.
  4. Transfer the dough to the prepared loaf pan and shape it into a loaf shape.
  5. Bake for 50-60 minutes or until the top is golden brown and a toothpick inserted into the center comes out clean.
  6. Allow the bread to cool completely before slicing and enjoying.
  • Calories: 180-200
  • Total Fat: 14-16g
  • Saturated Fat: 1-2g
  • Trans Fat: 0g
  • Cholesterol: 0mg
  • Sodium: 250-300mg
  • Total Carbohydrates: 7-9g
  • Dietary Fiber: 4-6g
  • Total Sugars: 1-2g
  • Protein: 6-8g

The serving size for the keto sourdough bread can vary depending on how you slice it. As a general guideline, a typical serving size for bread is considered to be one slice, usually around 1 ounce or 28 grams. However, you can adjust the serving size based on your preference and dietary goals. When calculating the nutritional information and tracking your intake, make sure to consider the number of slices you consume.

Understanding Sourdough Bread and Low-Carb Diets

When it comes to low-carb diets, the goal is to reduce your carbohydrate intake to promote weight loss and stabilize blood sugar levels. Traditional sourdough bread, made with white flour, is generally higher in carbs and may not be the best option for those on a low-carb or keto diet. However, there are alternatives that can satisfy your bread cravings without derailing your low-carb progress.

Exploring Keto Bread Recipes

Thanks to the popularity of low-carb and keto diets, there has been a surge in the development of delicious keto bread recipes. These recipes often use alternative flours, such as almond flour, coconut flour, or flaxseed meal, which are lower in carbs compared to traditional wheat flour. By using these flours, you can create bread that is both low in carbs and full of flavor.

The Benefits of Keto-Friendly Bread

Choosing keto-friendly bread not only helps you maintain your low-carb lifestyle but also offers several health benefits. Many low-carb bread options are made from whole grains and contain higher amounts of dietary fiber, providing essential nutrients and promoting gut health. Additionally, they often have a lower glycemic index, meaning they have a less significant impact on blood glucose levels.

Finding Low-Carb Bread at the Grocery Store

The growing demand for low-carb and keto-friendly products has made it easier to find suitable bread options at your local grocery store. When shopping for low-carb bread, make sure to read the labels and check the nutritional information. Look for bread with fewer carbohydrates and higher amounts of protein and fiber. Some stores may even carry specialty bread like keto sourdough bread, which is specifically designed for low-carb diets.

Making Informed Choices

While low-carb bread can be a great addition to your low-carb lifestyle, it's important to pay attention to portion sizes and the overall composition of your meals. Even though these bread options are lower in carbs, they still contribute to your daily carb count. Consider incorporating bread into balanced meals that include proteins, healthy fats, and plenty of vegetables to ensure a well-rounded and nutritious diet.

Key Takeaways: Can you eat sourdough bread on keto diet?

  • Sourdough bread can be eaten on a keto diet, but it's important to choose low-carb or keto-friendly options.
  • The fermentation process in sourdough bread reduces the overall carb count and may have a lower impact on blood sugar levels.
  • Homemade keto sourdough bread can be a great option to control the ingredients and carb intake.
  • When incorporating sourdough bread into a keto diet, be mindful of portion sizes and overall carb intake.


In conclusion, while sourdough bread is typically higher in carbohydrates, it can still be enjoyed on a keto diet by opting for low-carb or keto-friendly versions. The fermentation process in sourdough bread reduces the carb count and may have a lesser impact on blood sugar levels. By making informed choices, monitoring portion sizes, and considering homemade options, you can savor a slice of keto sourdough bread while maintaining your low-carb lifestyle.

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