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The night before you plan to bake, take your sourdough starter from the fridge. Transfer 50 g of your starter into a new, clean jar. Adjust the feeding ratio based on your kitchen temperature: for a cold kitchen (below 18°C), use a 1:2:2 ratio (50 g starter, 100 g flour, 100 ml water); for a warm kitchen (18-24°C), use a 1:3:3 or 1:4:4 ratio (e.g., 50 g starter, 150-200 g flour, 150-200 ml water); for a hot kitchen (above 24°C), use a 1:5:5 to 1:8:8 ratio (e.g., 50 g starter, 250-400 g flour, 250-400 ml water). Ensure you feed enough to have 100 g for your loaf plus an extra 30-50 g leftover for next time. Mix well until no dry spots remain.

Discard any remaining starter in the original jar. Cover the freshly fed starter loosely and leave it at room temperature overnight (approximately 8-12 hours). By the next morning, it should be beautifully bubbly and active, ready for use.

The next morning, in a large mixing bowl, combine the 100 g of bubbly active sourdough starter, 350 ml water, 500 g strong bread flour, and 10 g fine sea salt. Mix all ingredients by hand until thoroughly combined and no dry flour remains. The dough will be shaggy.

Cover the mixing bowl with a lid or plastic wrap and let the dough rest for 30 minutes.

Perform the first round of stretch and folds. With wet hands, gently grab a portion of the dough from one side, stretch it upwards, and fold it over to the opposite side of the bowl. Rotate the bowl a quarter turn and repeat this process 3-4 more times until you've worked your way around the dough. Cover and rest for 30 minutes.

Repeat the stretch and fold process (Step 5) two more times, with 30-minute rests in between each set. This will develop the dough's strength and elasticity.

After the final stretch and fold, cover the dough and let it rest for a further 1-2 hours at room temperature, or until it has increased slightly in volume and feels airy.

Gently turn the dough out onto a lightly floured clean work surface. Carefully preshape the dough into a round (boule) by gently cupping your hands around it and rotating it to create surface tension.

Lightly flour a proofing basket (banneton). Transfer the preshaped dough, seam-side up, into the prepared banneton. Cover the banneton with a plastic bag or lid and transfer it to the fridge for cold proofing overnight (approximately 10-14 hours).

The next day, about 45-60 minutes before you plan to bake, preheat your oven to 230°C (450°F) with a Dutch oven (with its lid on) inside. Allow the Dutch oven to get very hot.

Carefully take the cold dough out of the fridge. Gently turn the dough out onto a piece of parchment paper.

Using a sharp blade or lame, score the top surface of the dough with your desired pattern. A single deep slash or a geometric design works well.

Carefully lift the dough along with the parchment paper and transfer it into the preheated hot Dutch oven. Place the lid back on the Dutch oven.

Bake with the lid on for 25 minutes.

Remove the lid from the Dutch oven. Continue baking for another 20-25 minutes, or until the bread develops a deep golden-brown, crispy crust.

Once baked, carefully remove the bread from the Dutch oven and transfer it to a wire rack to cool completely before slicing and serving. This is crucial for the crumb to set.

Take the portion of freshly fed starter (30-50 g) that was reserved from Step 1 and place it directly back into the fridge. It will remain active and healthy for another week without needing another feed until its next use.


The night before you plan to bake, take your sourdough starter from the fridge. Transfer 50 g of your starter into a new, clean jar. Adjust the feeding ratio based on your kitchen temperature: for a cold kitchen (below 18°C), use a 1:2:2 ratio (50 g starter, 100 g flour, 100 ml water); for a warm kitchen (18-24°C), use a 1:3:3 or 1:4:4 ratio (e.g., 50 g starter, 150-200 g flour, 150-200 ml water); for a hot kitchen (above 24°C), use a 1:5:5 to 1:8:8 ratio (e.g., 50 g starter, 250-400 g flour, 250-400 ml water). Ensure you feed enough to have 100 g for your loaf plus an extra 30-50 g leftover for next time. Mix well until no dry spots remain.

Discard any remaining starter in the original jar. Cover the freshly fed starter loosely and leave it at room temperature overnight (approximately 8-12 hours). By the next morning, it should be beautifully bubbly and active, ready for use.

The next morning, in a large mixing bowl, combine the 100 g of bubbly active sourdough starter, 350 ml water, 500 g strong bread flour, and 10 g fine sea salt. Mix all ingredients by hand until thoroughly combined and no dry flour remains. The dough will be shaggy.

Cover the mixing bowl with a lid or plastic wrap and let the dough rest for 30 minutes.

Perform the first round of stretch and folds. With wet hands, gently grab a portion of the dough from one side, stretch it upwards, and fold it over to the opposite side of the bowl. Rotate the bowl a quarter turn and repeat this process 3-4 more times until you've worked your way around the dough. Cover and rest for 30 minutes.

Repeat the stretch and fold process (Step 5) two more times, with 30-minute rests in between each set. This will develop the dough's strength and elasticity.

After the final stretch and fold, cover the dough and let it rest for a further 1-2 hours at room temperature, or until it has increased slightly in volume and feels airy.

Gently turn the dough out onto a lightly floured clean work surface. Carefully preshape the dough into a round (boule) by gently cupping your hands around it and rotating it to create surface tension.

Lightly flour a proofing basket (banneton). Transfer the preshaped dough, seam-side up, into the prepared banneton. Cover the banneton with a plastic bag or lid and transfer it to the fridge for cold proofing overnight (approximately 10-14 hours).

The next day, about 45-60 minutes before you plan to bake, preheat your oven to 230°C (450°F) with a Dutch oven (with its lid on) inside. Allow the Dutch oven to get very hot.

Carefully take the cold dough out of the fridge. Gently turn the dough out onto a piece of parchment paper.

Using a sharp blade or lame, score the top surface of the dough with your desired pattern. A single deep slash or a geometric design works well.

Carefully lift the dough along with the parchment paper and transfer it into the preheated hot Dutch oven. Place the lid back on the Dutch oven.

Bake with the lid on for 25 minutes.

Remove the lid from the Dutch oven. Continue baking for another 20-25 minutes, or until the bread develops a deep golden-brown, crispy crust.

Once baked, carefully remove the bread from the Dutch oven and transfer it to a wire rack to cool completely before slicing and serving. This is crucial for the crumb to set.

Take the portion of freshly fed starter (30-50 g) that was reserved from Step 1 and place it directly back into the fridge. It will remain active and healthy for another week without needing another feed until its next use.
