dark rye sourdough bread with sunflower seeds.

Dark Rye Sourdough with Sunflower Seeds

This dark rye sourdough is made from a mix of whole rye flour and bread flour. Soaked sunflower seeds are added to the dough for a nutty flavor and a moist crumb. Rye flour has less gluten than bread flour and makes this bread darker, denser and chewier than common wheat bread. Rye bread is rich in nutrients and has a distinct earthy flavor. It’s popular in German-speaking countries and Scandinavia. Dark rye bread is often used to make open-faced sandwiches or served with soups and stews. 

A loaf of dark rye sourdough cut into slices on a wooden board.

Ingredients and Tools You’ll Need

  • Sourdough starter – your starter should be active enough to double in size within 4 – 6 hours after refreshing it.
  • Water – lukewarm (around 30° C).
  • Honey – for a subtle, natural sweetness to compliment the earthy flavor of the rye flour. 
  • Rye flour – whole rye flour. It’s rich in fiber, vitamins, and minerals. 
  • Wheat flour – strong bread flour.
  • Salt – fine grain sea salt.
  • Oil – sunflower oil for a more tender and moist crumb, as well as to help extend the shelf life of the bread. 
  • Sunflower seeds – for a nutty flavor and a moist crumb. 
  • Digital kitchen scale – for best results, always weigh your ingredients. It’s more accurate than measuring by volume.
  • Mixing bowl – to mix and proof the dough. A transparent material works best to check the fermentation progress. 
  • Tea towel or plastic bag – to cover the dough while resting.
  • Loaf pan – 9 inch (ca. 23 cm) loaf pan.
  • Parchment paper – to line the loaf pan.

Step-by-Step Instructions

Step 1

In the morning, make the leaven: Mix the sourdough starter and water and stir until the starter is almost fully dissolved. Add the flour and mix until fully incorporated. Let the leaven rise in a warm spot (26 – 28 °C) until doubled or tripled in size. In a warm environment, this should take between 4 – 6 hours. In colder temperatures, this might take a few additional hours. 

Step 2

Once the leaven is active, prepare the main dough. In a mixing bowl, combine the leaven, water, and honey. Stir until the leaven is almost fully dissolved, and the liquid looks milky. Add the flours and mix until a shaggy dough forms. Cover the bowl and let it rest on the counter for about 1 hour. Meanwhile, soak the sunflower seeds in hot water and set aside. 

Step 3

After the first rest, add the salt, soaked sunflower seeds and oil. Knead for a couple of minutes until well combined. Rye dough tends to be very sticky, so make sure to wet your hands before kneading. Cover the bowl and let the dough rise in a warm spot for about 4 hours. The dough is ready to be shaped when it has visibly increased in size and contains lots of small air bubbles. If the dough still looks dense after 4 hours, it needs more time to rise and / or a warmer environment. Sourdough ferments best at temperatures between 25 – 28 °C. 

Step 4

Line a loaf pan with parchment paper. After the dough has risen, turn it out onto a lightly floured work surface. Flatten it into a rectangle. The short side should be about the length of the loaf pan. Roll the dough up into a log and transfer it to the loaf pan with the seam side down. Lightly spray the surface with water and sprinkle it with sunflower seeds. Cover the loaf pan with a plastic bag and let the dough proof in the fridge overnight.  

Step 5

The next morning, pre-heat the oven to 230° C. Bake the loaf with steam for the first 10 minutes. Then, open the oven door to vent the steam and continue baking for another 40-50 minutes until the internal temperature reaches 97° C. If the top browns too quickly, cover it with aluminum foil. Remove the bread from the oven and let it cool in the pan for about 10. Then, remove it from the pan and transfer it to a wire rack. Let it cool completely before slicing. 

Sample Baking Schedule

Day 1
  • 8 AM: Make the leaven.
  • 12 PM: Mix the leaven, water, honey, and flour. Soak the sunflower seeds. 
  • 1 PM: Add the salt, oil and soaked sunflower seeds. Knead until well combined. Let the dough rise in a warm spot. 
  • 5 PM: Shape the dough and place it in a loaf pan. Let it proof in the fridge overnight.
Day 2
  • 8 AM: Pre-heat the oven.
  • 8:30 AM: Bake the bread.
  • 9:30 AM: Take it out of the oven and let it cool completely.

More Sourdough Recipes You May Like:

A loaf of dark rye sourdough bread on a wooden board with butter and cress in the background.

Dark Rye Sourdough with Sunflower Seeds

published by: Julia
This dark rye sourdough is made from a blend of whole rye flour and bread flour. Soaked sunflower seeds are added to the dough for a nutty flavor and a moist crumb. Whole rye flour has less gluten than bread flour and makes this bread darker, denser and more flavorful than common wheat bread. 
Prep 20 minutes
Cook 1 hour
Rest Time 23 hours 59 minutes
Total 1 day 1 hour 19 minutes
Course Bread, Breakfast, Sandwiches
Cuisine Austrian
Servings 1 Loaf
Calories 2491 kcal

Equipment

  • Digital kitchen scale
  • Mixing bowl
  • Tea towel or plastic bag
  • Loaf pan – 25 cm / 9 inches
  • Parchment paper

Ingredients
  

For the leaven:
  • 30 g Sourdough starter
  • 30 g Water
  • 60 g Bread flour
For the soaked sunflower seeds:
  • 80 g Sunflower seeds
  • 40 g Hot water
For the main dough:
  • 100 g Active leaven
  • 375 g Water – lukewarm, around 30° C.
  • 15 g Honey
  • 255 g Wholegrain rye flour
  • 245 g Bread flour
  • 12 g Fine sea salt
  • 20 g Sunflower oil
  • All of the soaked sunflower seeds
  • Extra sunflower seeds to sprinkle on top of the bread – optional

Instructions
 

  • In the morning, make the leaven: Mix the sourdough starter and water and stir until the starter is almost fully dissolved. Add the flour and mix until fully incorporated. Let the leaven rise in a warm spot (26 – 28 °C) until doubled or tripled in size. In a warm environment, this should take between 4 – 6 hours. In colder temperatures, this might take a few additional hours.
  • Once the leaven is active, prepare the main dough. In a mixing bowl, combine the leaven, water, and honey. Stir until the leaven is almost fully dissolved, and the liquid looks milky. Add the flours and mix until a shaggy dough forms. Cover the bowl and let it rest on the counter for about 1 hour. Meanwhile, soak the sunflower seeds in hot water and set aside.
  • After the first rest, add the salt, soaked sunflower seeds and oil. Knead for a couple of minutes until well combined. Rye dough tends to be very sticky, so make sure to wet your hands before kneading. Cover the bowl and let the dough rise in a warm spot for about 4 hours. The dough is ready to be shaped when it has visibly increased in size and contains lots of small air bubbles. If the dough still looks dense after 4 hours, it needs more time to rise and / or a warmer environment. Sourdough ferments best at temperatures between 25 – 28 °C.
  • Line a loaf pan with parchment paper. After the dough has risen, turn it out onto a lightly floured work surface. Flatten it into a rectangle. The short side should be about the length of the loaf pan. Roll the dough up into a log and transfer it to the loaf pan with the seam side down. Lightly spray the surface with water and sprinkle it with sunflower seeds. Cover the loaf pan with a plastic bag and let the dough proof in the fridge overnight.
  • The next morning, pre-heat the oven to 230° C. Bake the loaf with steam for the first 10 minutes. Then, open the oven door to vent the steam and continue baking for another 40-50 minutes until the internal temperature reaches 97° C. If the top browns too quickly, cover it with aluminum foil. Remove the bread from the oven and let it cool in the loaf pan for about 10 minutes. Then, remove it from the pan and transfer it to a wire rack. Let it cool completely before slicing.

Video

Nutrition

Calories: 2491kcalCarbohydrates: 400gProtein: 84gFat: 72gSaturated Fat: 7gPolyunsaturated Fat: 24gMonounsaturated Fat: 33gSodium: 4688mgPotassium: 2631mgFiber: 71gSugar: 18gVitamin A: 73IUVitamin C: 1mgCalcium: 258mgIron: 23mg
Keywords Artisan Bread, Dark Rye Bread, Dark Rye Sourdough, naturally leavened, Rustic Rye Bread, Same Day Sourdough Bread, Sourdough baking

Do you have any questions about this recipe?

Let me know in the comments!

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4 Comments

  1. Hi, very nice recipe!
    I. see 2491 calories and I assume this is for more than a slice.
    Please, 2491 calories corresponds to what weight?
    Thank youl

  2. Would you be able to translate your dark sourdough rye with Sunflower seeds recipe from metric to imperial?

    1. Hi Shirley! I’m sorry, I’m not really familiar with imperial measurements. There are some free conversion calculators online. However, I’m not sure if those are accurate and if the conversions would yield the same results. In general, for baking bread, I highly recommend using metric measurements, as measuring ingredients by weight is more accurate than measuring by volume and guarantees consistent results.
      Best,
      Julia