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Sourdough Starter Instructions

Welcome to the world of sourdough baking! Instructions for activating our white flour, whole wheat, rye, or spelt starters are included in the box or can be found below. 

Instructions for activating and feeding our Gluten-free Brown Rice Sourdough Starter are slightly different and can be found here.

If you're new to sourdough baking, our helpful Sourdough How-to Videos can be useful for beginners!

 

Sourdough Starter Instructions | Cultures for Health


On this Page: Before You Begin | Activating the Sourdough Starter | Using and Maintaining a Fresh Starter for Frequent Bakers | Weekly Maintenance Feeding for Refrigerated Starter | A Note About Discarded Starter


 

Before You Begin

  • Our sourdough starters are shipped in a dehydrated state, to be shelf-stable and safe for shipping. Store the starter in a cool, dry place until you are ready to activate it.
  • Use unchlorinated, unfluoridated water when feeding your sourdough starter.
  • Feed the starter with the type of flour that matches the starter: white flour for a white-flour starter, rye flour for a rye starter, etc. 
  • Use non-metal utensils when making sourdough starter. Stainless steel is acceptable.

 

Sourdough starters are fairly resilient cultures. When working with sourdough there are several methodologies for activating and maintaining a sourdough starter. Below you will find both our original and a newer methodology for activating and caring for a sourdough starter culture. The methodology you use to activate and care for your starter is completely up to you based on what you find easiest for your lifestyle. With that said, sourdough is a very forgiving culture and one of the easiest to work with, so we are confident that you will be successful despite which methodology you choose. If you have any concerns regarding your starter culture feel free to reach out - we're here to help!

 

Activating the Sourdough Starter

 

Original Methodology

  1. Pour the entire contents of the package into a quart-sized jar or similar container.
  2. Add ¼ cup room-temperature water; mix well.
  3. Add ¼ cup flour; stir vigorously.
  4. Cover with a tight-weave towel or a coffee filter, secured with a rubber band.
  5. Place in a warm area, 70°-85°F, for 12-18 hours.
 
NOTE: Maintaining a warm culturing area around the clock is important for successful activation. Consult our article on Cold Weather Care for Starter Cultures if your home is colder than 70°F.
 
  1. After 12-18 hours, feed the starter: mix in ½ cup water and a scant ½ cup flour. Stir vigorously to incorporate plenty of air.
  2. Cover as before and return to the warm spot for 12 hours.
  3. After 12 hours, discard all but ½ cup starter.
  4. Mix in ½ cup water and scant 1 cup flour; stir vigorously. Cover as before.
  5. Repeat steps 8 and 9 every 12 hours, until mixture becomes light and bubbly, typically 3 to 7 days.
  6. Once starter is bubbling reliably within a few hours of being fed, feed for two more cycles, it is ready for

 

New Methodology

  1. Add packet of starter to 1 tablespoon flour and 1 tablespoon water in a quart-size glass jar and stir thoroughly. Cover the jar with a coffee filter or breathable material secured with rubber band and culture in a warm place for 12-24 hours.
  2. After 12-24 hours, feed the starter with an additional 2 tablespoons of flour and 2 tablespoons water. Stir vigorously. Your starter should have the consistency of pancake batter, and you may need to add more flour or water.
  3. After 12-24 hours, feed the starter with an additional ¼ cup of flour and ¼ cup water. Stir vigorously.
  4. After another 12-24 hours, feed the starter with an additional ½ cup of flour and ½ cup water. Stir vigorously
  5. Every 12-24 hours, discard down to ½ cup of starter and then feed the starter with ½ cup water and ½ cup flour. Continue this feeding schedule, and after 3 to 7 days, your starter will be bubbling regularly within a few hours of feeding. 

 

Using and Maintaining Fresh Starter for Frequent Bakers

When maintained at room temperature, the starter will always be fresh and ready to use for baking within a few hours of being fed.

 

Original Methodology

Use the instructions in this section if your recipe calls for more fresh starter than you currently have ready, or to prepare refrigerated starter for baking. When stored in the refrigerator, the starter should be brought to room temperature and fed at least 3 times before being used for baking. 

  1. Measure room temperature starter or remove ¼ cup starter from refrigerator. 
  2. Feed the starter with flour and water every 8-12 hours using one of the following methods:
      1. If using a scale to measure ingredients, combine equal amounts by weight of starter, water, and flour. For instance, 50 grams of starter, 50 grams of water, 50 grams of flour. 
      2. If using measuring cups, combine 1 part sourdough starter, 1 part water, and a little less than 2 parts flour. For example, ¼ cup of starter, ¼ cup water and a little less than ½ cup flour.  
  3. Cover; place in a warm area, 70°-85°F, for 12 hours. Repeat steps 1-3 until you have enough starter for your recipe, with a little leftover. 
  4. When preparing to bake, use the fresh starter within 3-4 hours of being fed, to ensure the starter is at its peak of activity. 
  5. Extra starter may be discarded, stored in the refrigerator or kept at room temperature and fed again as above. Always retain at least ¼ cup starter to begin your next project. 

 

New Methodology

Feed your starter once every 12-24 hours using 1 part starter, 1 part water, and 1-2 parts flour (review the instructions included with your starter culture for specific ratios). We suggest discarding down to 1/4 or ½ cup starter to keep your feedings smaller and your starter manageable.

To build up enough starter to bake with, feed your starter according to the directions above—just don’t discard as you go. Bake with your starter 12-24 hours after the last feeding.

 
 

Weekly Maintenance Feeding for Refrigerated Starter

If you bake infrequently, storing your sourdough starter in the refrigerator may be more practical. The refrigerated starter should be fed weekly, to keep it healthy. To prepare the starter for baking, see the instructions above for Using and Maintaining Fresh Starter.

 

Original Methodology

  1. Remove at least ¼ cup starter from refrigerator. Discard remaining starter. 
  2. Feed starter with flour and water:
      1. If using a scale to measure ingredients, combine equal amounts by weight of starter, water, and flour. For instance, 50 grams starter, 50 grams water, 50 grams flour.
      2. If using measuring cups, combine 1 part starter, 1 part water, and a little less than 2 parts flour. For instance, ¼ cup starter, ¼ cup water, slightly less than ½ cup flour.
  3. Cover; let starter sit for 1-2 hours, until light and bubbly.
  4. Put a tight lid on jar and return it to the refrigerator.
  5. If maintaining both fresh and refrigerated starter, extra fresh starter may be added to refrigerated starter for weekly feedings, instead of performing steps 1-3 

 

New Methodology

In colder temperatures, your starter goes into hibernation, and you don’t need to feed it as often. Feed it every 5 to 7 days just like you would keeping it on your counter.

Be sure to plan ahead when baking with a refrigerated starter, as it needs to come to room temperature and be fed 2-3 times according to the countertop instructions before baking.

 

Note about discarded starter...

While it may seem wasteful to discard extra starter, maintaining a large amount of starter for infrequent baking would use large amounts of flour over time. For more information on why we recommend discarding starter, and for recipes for using discarded starter, consult our article, How to Use Discarded Sourdough Starter.

 

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