Rye Sour From “Secrets Of A Jewish Baker” by bettina

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Rye Sour From “Secrets Of A Jewish Baker”
Submitted by bettina on September 17, 2003 at 1:16 pm

DESCRIPTION
Rye Sour, from "Secrets of a Jewish Baker"

SUMMARY
Yield 0 File under Misc. Recipes & Requests

INSTRUCTIONS
Starter
(Prepare 48 hours in advance)

Caraway seeds can be ground in a coffee or spice grinder or with a mortar and pestle. In the bakery we crush the seeds with a rolling pin. The crushed seeds disappear in the ferment and add a distinctive flavor to the sour. The minced onion helps to hasten the fermentation and adds flavor.

1/2 cup rye flour
1/8 tsp active dry yeast (see Note)
1 cup warm water
1 tablespoon crushed caraway seeds (optional)
1 teaspoon minced onion

Combine all the ingredients in a large bowl and mix until smooth. The mixture should have a thin, soupy consistency. Cover and allow to stand in a warm spot until bubbly and fermented. It can be left for up to 24 hours.

Note: Save the rest of the packet for the first dough.

Rye Sour, Developing and Fortifying

In making sour use approximately 3/4 to 1 cup flour to each 1/2 cup water. (Notice that Stage One calls for a higher ratio. This is done to adjust for the initial consistency of the starter.) The object is to make a thick consistency as close as possible to that of a soft dough. It is not necessary to thicken to the point that the mixing becomes burdensome. If the mixture is too soupy, add more flour 1/4 cup at a time. Mix until smooth.

BAKER'S SECRET:

Rye Sour is made in three stages--the secret of its success. The flavor and leavening power are increased, but the fermentation is controlled. The sour is never allowed to become old or rancid.

Stage One:
(Prepare 24 hours in advance)

1/2 cup water
1 1/4 cups rye flour
All of the Starter, above
1/4 cup rye flour, for sprinkling

In a large bowl or container, combine the water, 1 1/4 cups of the flour, and the Starter, stir until smooth. The dough should pull slightly and may start to come away from the sides of the bowl. Wipe down the sides of the bowl with wet hands or a bowl scraper. Sprinkle 1/4 cup flour over the entire surface of the sour. Let stand, covered with a cloth or clear plastic wrap, until doubled in size and the floured top appears cracked with fissures spread widely apart. This may take 4 to 8 hours. Avoid letting the sour collapse.

Stage Two
If a double recipe is desired, this can be increased to 1 cup warm water and 2 cups rye flour.

1/2 cup warm water
1 cup rye flour

To the Stage One sour add the water and 3/4 cup of the flour; mix until smooth. Wipe down the ides of the bowl. Sprinkle the remaining 1/4 cup flour over the entire surface of the sour. Allow to rise in a warm area 4 to 8 hours. Proceed with Stage Three.

As the sour begins to rise, you can refrigerate it at any stage for later use or overnight for mixing the following day. Refrigeration retards the rate of growth of the dsour, which continues to rise slowly. Whenever time permits, I prefer to make two stages the day before, refirgerating the second stage overnight and preparing the third stage the morning of baking. If the dough is to be mixed first thig in the morning, the third stage is prepared the evening before, so it can rise slowly all night and be ready in the morning.

Stage Three
1/2 cup water ( see Note)

To the Stage Two sour add the water and the 1 cup flour. Mix until smooth. Additional flour can be added to attain a dough-like consistency. The sour, when fully risen in Stage Three, is ready for use in the dough. When the third stage is mixed, set aside 1/4 to 1/2 cup and refrigerate in a covered container with a light film of cold water floated over the top. I have kept sour under refrigeration for months at a time.

Note: Use warm water if the sour has been refrigerated.

It is best to stir down the starter every 3 to 4 days if unused. Periodically (every 10 to 12 days) dispose of half and refresh it by mixing in equal amounts of flour and water. If there is some discoloration on the top, it can safely be skimmed off and the sour used as normal. When going away for long periods of time, I freeze a small amount of sour. When preparing a new starter from scratch, I add the frozen sour to preserve my original culture.

To ensure the proper strength of the sour, in each stage you can only double the amount of starter you begin with. For example, if beginning with 1/4 cup starter, you can add up to 1/2 cup water plus flour to thicken. If Stage One contains 1 cup sour, Stage Two can be prepared with up to 2 cups water plus flour. If a large amount of sour is required, extra stages can be added.

BAKER'S SECRET:
Some bakers like to add crushed caraway seeds each time they prepare Stage One.

Sometimes the process goes awry. Perhaps there is insufficient sour left to start the next batch, or the sour might have been forgotten and was left standing to get old or dry . There is a remedy. The bakers call it an einfrisch, meaning to refresh. A small amount of sour is thinned down with watr to a oupy consistency. Swishing 1/4 cup water around in what remains clinging to the sides of the empty bowl can yield enough to restart the sour. Let this einfrisch stand, vcovered, at room temperature or in a warm spot until bubbly. If desperate, add a pinch of yeast. When ready, add enough flour to make a first stage, allow to rise, and proceed with two more stages.

BAKER'S SECRET:

Sour can be said to be a prefermented dough or base. In some recipes, such as Sour Rye Bread, I use what I like to call the Intant Dou gh Method. This is also used in many of my sponge recipes. Many recipes contain enough sour or sponge in the dough that it is not necessary to wait for the dough to rise. The bread is mixed, allowed to rest for a few minutes to enable it to be shaped properly, and immediately shaped into loaves.

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