Sourdough Bread for Beginners: Your First Loaf from Flour and Water

Making sourdough bread sounds intimidating, but at its core, it's just flour, water, and salt. The starter that gives sourdough its signature tang is simply flour and water that's caught wild yeast from the air and allowed to ferment. This post walks you through creating a starter, maintaining it, and baking a simple loaf that anyone can make at home.

What Is Sourdough Starter?

Your sourdough starter is a living culture of wild yeast and lactic acid bacteria. It's created by mixing flour and water and letting it sit at room temperature. Wild yeast from the air lands in the mixture and begins fermenting the starches in the flour, producing carbon dioxide (which makes the dough rise) and organic acids (which give sourdough its flavor).

You don't need to buy anything special. All you need is:

• Flour (all-purpose or bread flour works fine)
• Water (filtered if your tap water has heavy chlorine)
• Time and patience

Why Make Your Own Starter?

• Cost: No equipment or yeast purchases required
• Flavor: A well-maintained starter produces bread with depth and complexity that commercial yeast can't match
• Self-reliance: Once established, your starter can be kept indefinitely and passed to others
• Reduced packaging: Make your bread with minimal store-bought ingredients

Creating Your Starter

This is the foundation of everything. A healthy starter takes about 7 days to establish, with consistent feeding along the way.

What You'll Need

• A clean glass jar or container (a pint or quart jar works well)
• A rubber band or piece of tape to mark the starting level
• All-purpose flour or bread flour
• Water (non-chlorinated if possible)
• A kitchen scale (recommended but not required)

Day 1: Mix Your Starter

Combine equal parts flour and water by weight:

50g flour
50g water

Mix until no dry flour remains. The mixture will be thick and paste-like. Cover loosely (don't seal tightly) and let sit at room temperature for 24 hours.

Day 2: First Feeding

You'll notice some bubbles forming and a slight tangy smell. That's a good sign. For the next few days, you'll feed your starter once per day.

Discard about half the starter and feed the remainder:

50g starter (from your jar)
50g flour
50g water

Mix well, mark the level, and let sit for 24 hours.

Days 3-7: Daily Feedings

Continue feeding your starter once per day at roughly the same time each day. The mixture should become more active, with more bubbles and a stronger smell. At this stage, you may notice:

• Pungent smell (this is normal; it's the bacteria at work)
• Bubble formation (the yeast is active)
• Volume increase (the starter is growing)

Days 5-7: The Test

By day 5 or 6, your starter should be reliably bubbly and active. To check if it's ready for baking, perform the float test:

1. Fill a glass with water
2. Drop a spoonful of starter into the water
3. If it floats, your starter is active enough to leaven bread
4. If it sinks, keep feeding daily until it floats

If the smell is still very strong after day 7, you can switch to twice-daily feedings for a few days to mellow it out.

Maintaining Your Starter

Once your starter is established and passing the float test regularly, you have options for maintenance:

Option 1: Room Temperature (Daily Feeding)

If you bake frequently, keep your starter at room temperature and feed it once per day. This works best in a cool room (around 68-72F / 20-22C).

Option 2: Refrigerator (Weekly Feeding)

If you bake less often, store your starter in the refrigerator and feed it once per week. Before baking, bring it to room temperature and feed it twice in the 12 hours before you plan to bake.

Feeding Ratios

A common feeding ratio is 1:1:1 (starter:flour:water by weight), but you can scale up or down. For example:

25g starter
25g flour
25g water

Or a larger batch if you're planning to bake:

100g starter
100g flour
100g water

Baking Your First Loaf

Now that you have an active starter, let's make a simple loaf. This recipe makes one round loaf.

Ingredients

• 400g active starter (it should be bubbly and passed the float test)
• 300g water (room temperature)
• 500g bread flour or all-purpose flour
• 10g salt (about 2 teaspoons)

Equipment

• A large mixing bowl
• A kitchen scale (recommended)
• A banneton or bowl for shaping (optional but helpful)
• A Dutch oven or heavy pot with a lid
• Parchment paper

Step 1: Mix the Dough

In a large bowl, combine the starter and water, breaking up the starter until it's dispersed. Add the flour and mix until no dry flour remains. Let the mixture sit for 30 minutes (this is called autolyse and helps the gluten develop).

Add the salt and mix thoroughly. The dough will feel wet and sticky at first.

Step 2: Fold the Dough

Sourdough relies on folds rather than kneading to develop structure. Every 30 minutes for 2 hours, perform the following:

1. Reach into the bowl with one hand and pull the dough up from one side
2. Fold it over to the center
3. Rotate the bowl and repeat around the entire mixture
4. Turn the dough so the smooth side is on top

After 4 folds, you should notice the dough becoming smoother and less sticky.

Step 3: Bulk Fermentation

After the final fold, cover the bowl and let it sit for 2-4 hours, or until the dough has increased in volume by about 50%. The dough should look puffy and show some bubbles on the surface.

Step 4: Shape the Loaf

Turn the dough onto a lightly floured surface. Gently shape it into a round or batard (oval) by:

1. Folding the edges toward the center
2. Turning the dough seam-side down
3. Tucking the edges under to create surface tension

Place the shaped dough seam-side up in a banneton or bowl lined with a floured towel. Cover and let rest for 1-2 hours (this is the proof).

Step 5: Cold Retard (Optional but Recommended)

Transfer the shaped dough to the refrigerator for 1-16 hours. This slows the fermentation and develops flavor. If you're short on time, you can skip this and go straight to baking.

Step 6: Bake

Preheat your Dutch oven (with the lid on) in the oven at 450F (230C) for 30 minutes.

1. Remove the Dutch oven and carefully lift out the hot insert
2. Flip your dough onto parchment paper and turn it seam-side down
3. Score the top with a sharp blade or razor (this controls where the bread expands)
4. Carefully transfer the dough into the Dutch oven
5. Cover and bake at 450F for 20 minutes
6. Remove the lid and bake another 20-25 minutes until deeply golden brown

Step 7: Cool

Let the bread cool completely on a wire rack before cutting (at least 1 hour). Cutting into hot bread traps steam and makes the interior gummy.

Troubleshooting

Starter Isn't Rising

If your starter has stalled, try:

• Moving to a warmer location (75-80F is ideal)
• Using slightly warmer water in feedings
• Feeding more frequently (twice daily)
• Using bread flour instead of all-purpose (more protein helps)

Bread Doesn't Rise

Make sure your starter is fully active before baking (passed the float test). If it's been refrigerated, feed it at least twice before using it in the dough.

Dense or Gummy Interior

Your dough may not have fermented enough. Let the bulk fermentation until the dough is visibly puffy and the surface has bubbles. Alternatively, your bread may need more cooling time before slicing.

Crust Is Too Pale

Make sure your oven is fully preheated and use a Dutch oven to trap steam. For a darker crust, extend the uncovered baking time by 5-10 minutes.

When Things Go Wrong

Sourdough isn't always perfect, and that's okay. Sometimes your starter takes longer to establish. Sometimes your bread doesn't rise as much as you'd like. The key is to keep trying and learn from each attempt.

A starter that's too active can make bread rise too quickly. One that's too old can give bread a strong, sour taste. Both are manageable with proper feeding and timing.

Keeping It Simple

Once you've made your first loaf, you'll see that sourdough isn't complicated. It's just:

1. Create and maintain your starter
2. Mix flour, water, salt, and starter
3. Let it rest and rise
4. Bake it in a hot Dutch oven

That's it. Every loaf is a little different, and that's part of the charm. The bread you bake this month will be slightly different from next month's, and that's how it should be.

Tips for Success

• Consistency matters: Feed your starter at the same time each day
• Temperature matters: Warmer environments speed fermentation; cooler slows it
• Watch, don't rush: Your dough will tell you when it's ready to move to the next step
• Start small: Make a test loaf before committing to a larger batch
• Be patient: This is a slow process that rewards patience

Final Notes

Sourdough bread is one of the most accessible self-reliance skills you can learn. It requires no special equipment, minimal ingredients, and produces one of the most satisfying results you can make at home.

Once your starter is established, you can keep it going indefinitely. It can be given to friends, shared at community events, or maintained for your own household. The starter itself is a living connection to the process of fermentation that's been part of human food-making for thousands of years.

Start simple. Keep practicing. The bread will come.

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— C. Steward 🥕