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French Sourdough Bread from a Powdered Starter

in quick and easy whole grain dairy free gluten free overnight guaranteed classic

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The powdered starter you've purchased will allow you to make tasty bread with excellent texture, consistently, without the demanding job of keeping a sourdough fed. Any sourdough will change over time, due to native bacteria being introduced into it; using the powdered starter allows you to achieve the same results, batch after batch. Once you've opened and used some of the starter packet, close it tightly and freeze the rest for up to 6 months.

Use the following procedure for this powdered starter:
Before starting your bread, think about the following variables: temperature, water, flour, and time. Let's examine these elements before we get started.

Temperature: If you're making the same bread recipe time after time, but getting different results, check that the temperature at which you keep your sponge (the initial mixture made from the powdered starter, flour and water) is consistent. There's not one exact optimum temperature that everyone will agree upon, because everyone doesn't like the same flavor in his or her bread. In general, try to keep your sponge between 70°F and 90°F. At cooler temperatures (65°F or below), the sponge will take longer to develop than the stated 18 to 20 hours, and won't develop as much acid flavor.

Water: If you have water that's heavily chlorinated, it will affect the flavor of the bread and the action of the sponge. Either use bottled water, or let the water sit in an open container for a day to let the chlorine dissipate.

Flour: Use only unbleached, unbromated flour. The protein level in King Arthur Unbleached All-Purpose Flour, or Artisan Bread Flour, both 11.7%, is perfect for crusty, country-style breads.

Time: The hardest part of a recipe is, for us, stating a "rising" time. Just about everything you do while making bread can affect the rising time. Please be flexible and build enough time into your schedule to allow the dough to develop its optimum flavor and rise.

Sourdough Bread
This French Sourdough loaf is assertively sour; if you like San Francisco-style sourdough, this one's for you!

New to sourdough? Find the help you need for all of your sourdough baking at our Sourdough Essentials page.

At a glance

Prep
Bake
Total

Ingredients

Choose your measure:

Sponge

Dough

Instructions

  1. To make the sponge: In a medium-sized mixing bowl, or in the bucket of your bread machine, mix the starter and the flour together. Mix in the water. Stir for several minutes to activate the gluten. (If you're using a bread machine for this step, cancel after about 6 minutes of kneading.)
  2. Cover and set aside in a warm (70°F to 90°F) place for 18 to 20 hours. When ready, the sponge should have expanded by about one-third (or more), and developed bubbles and a pleasing aroma. You may do this step up to 7 days ahead, then refrigerate until ready to use the sponge. (If you want to enhance the sour flavor, substitute 1/2 cup rye or whole wheat flour for 1/2 cup of the unbleached all-purpose flour in your sponge.)
  3. To make the dough: Add the flour to the sponge along with the water, salt and yeast. Stir to form a shaggy mass, then let the mixture sit for 20 to 30 minutes. (This resting period, called the autolyse, allows the flour to absorb the water before you start kneading; it will make kneading easier, and also help prevent you from adding too much flour to the dough.)
  4. To knead the dough: Turn the dough out onto a lightly greased work surface. (Using a lightly floured work surface is OK, but the idea is not to work too much flour into the dough. A dough that's slack and slightly sticky will produce a loaf with much better texture. Many people knead in too much flour, thinking the dough is too sticky to work with, then end up with dry or crumbly bread.) The dough starts out sticky, so a bench scraper is a handy tool. When the dough is kneaded enough, about 8 to 10 minutes by hand, 6 to 8 minutes in an electric mixer or bread machine, or about 90 seconds in a food processor, it will feel firm, slightly sticky, and elastic.
  5. Place the dough in a greased bowl, turning to cover all sides, cover the bowl, and set it in a warm place (though not above 90°F). Don't try to rush the dough by raising it at a temperature above 90°; the best bread rises slowly, so give the dough time. After an hour, and again at the 2-hour mark, gently deflate it and fold it over a few times to redistribute the yeast and oxygen, and dispel some of the carbon dioxide. In 2 to 3 hours the dough should have almost doubled.
  6. To shape the dough: Turn the dough out onto a lightly greased work surface. Divide the dough in half, and form each half into a round. Let the dough rest for 20 minutes or so, covered; then form the pieces into whatever shapes you prefer — round, oval or baguette. Raising your loaves in a couche or a banneton will help them achieve a thick, chewy crust. If you don't have any of these, use a linen (or other smooth — not terry cloth) dishtowel to line a round bowl. Heavily flour the forms you're using, place the shaped loaves in them seam-side up, and cover.
  7. Let the loaves rise for 2 or more hours; the dough should have almost doubled. Note: If you want really big holes in your loaves and loads of flavor, dust them with flour, cover, and refrigerate overnight (without letting them rise first).
  8. Preheat your oven to 475°F for 30 minutes. If your loaves have been refrigerated, remove them from the fridge, and let them rest, still covered, at room temperature, while you preheat your oven, about 30 minutes. Once the loaves have come to room temperature, turn them out onto a floured baker's peel (if you have a baking stone in your oven), or onto lightly floured baking sheets. For risen, unrefrigerated loaves, turn them out the same way (onto a peel or pan).
  9. Slash the loaves several times using a lame, sharp knife or razor blade. Just before placing the loaves in the oven, spritz them several times with water.
  10. Put the loaves into the oven, spritz with water after 30 seconds, and again at 1 minute and 2 minutes. Turn the oven temperature down to 450°F and bake for 18 to 25 minutes. Be sure the bread is baked through, and the crust well browned. The bread should feel firm and sound hollow when tapped, and its internal temperature should read 195°F on an instant-read thermometer. Much of the flavor is concentrated in a deep brown crust, so don't be afraid to bake it until it's good and dark.
  11. Remove the bread from the oven. Now tilt your head close, and listen: as the bread cools, you should hear it crackle. This is the sound of a good loaf. It's hard not to tear off a piece right away, but the bread is still baking and developing flavor as it cools — it really will taste better after an hour of cooling.
  12. Store on the counter for a day or two, or freeze for up to 3 months.