Captain Sourpants

Mature Sourdough Starter Culture 100 Years Old Dehydrated Sourdough Starter Kit for Delicious Homemade Sourdough Bread All-Natural and

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$12.99

About this item

  • Mature and Lively 100+ years Old Dehydrated Sourdough Starter - Create Delicious and Tangy Sourdough Bread right at home.
  • Easy-to-follow guide on how to Revive, Maintain and use our dehydrated sourdough starter for the best results.
  • Non-GMO and 100% Natural ingredients. – No preservatives, chemicals, or artificial additives. Just pure, high-quality sourdough starter culture for authentic and delicious homemade sourdough bread.
  • Perfect for Beginners & Experienced Bakers– Our sourdough starter is ideal for both beginners looking to explore the art of sourdough baking and seasoned bakers who need a reliable and mature starter.
  • Perfect for Artisan Sourdough Bread – Ideal for making delicious, tangy sourdough bread
  • Cultured with Care – This sourdough starter has been carefully cultivated to produce the perfect balance of flavor and rise. Enjoy the health benefits of a naturally leavened bread with every loaf you make!
  • Versatile and Multi-Purpose: While it’s perfect for creating traditional sourdough bread, this starter is also versatile enough to be used in a wide variety of baked goods. Use it for making sourdough pancakes, waffles, pizza dough, muffins, crackers, and more! Get creative in the kitchen and explore all the possibilities with your sourdough starter.
  • Probiotic-Rich for Health Benefits: As a naturally fermented product, this sourdough starter is packed with beneficial probiotics that promote gut health and digestion. By using our starter, you’re not only baking delicious bread, but also adding a nutritional boost to your diet with each bite. It's the best sour bread starter culture for health.
$12.99

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Product details

FlavorMature
BrandCaptain Sourpants
SpecialtyAdditive Free, GMO Free, Vegan
Package Weight0.02 Kilograms
Item FormPowder

Technical specifications

package_dimensions6.22 x 4.21 x 0.39 inches; 0.63 ounces
upc197644881710
manufacturerCaptain Sourpants Inc
best_sellers_rank#862 in Grocery & Gourmet Food ( See Top 100 in Grocery & Gourmet Food ) #1 in Sourdough Starters

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Customer reviews

4.31,883 ratings

Customers say

Customers find the sourdough starter culture easy to follow instructions and appreciate its flavor, with one customer noting it produces great loaves right away.

★★★★★

Reliable and consistent

Prime CustomerJanuary 14, 2026

I rehydrated this Gluten-Free Sourdough Starter and was pleasantly surprised by how reliably it came back to life. I’m in Southern California, and it took about 3 days of consistent feeding to become clearly active, which felt very reasonable for a gluten-free starter. Once established, it showed good fermentation: visible rise, lots of fine bubbles, and that pleasantly tangy, yogurt-like aroma you want in a healthy starter. As expected with gluten-free starters, it doesn’t behave exactly like a wheat starter (it collapses more quickly and doesn’t hold structure in the same way), but it’s clearly strong and active when fed appropriately. Overall, this is a perfect option if you want a dependable gluten-free sourdough starter without having to build one from scratch. With patience and proper feeding ratios, it becomes a very usable and consistent starter for gluten-free sourdough baking. Read more

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★★★★★

Very impressed with starter!

MadisonJanuary 21, 2026

Absolutely love! Shipping was fast but also the starter is amazing itself! I tried doing a homemade starter but grew impatient. The directions are so easy and basically fool proof. I’m on day 5 and since day 3 it has been rising and falling how it should be, doubling if not more! Tonight I’m trying to make bread for the first time and we’ll see how it goes! Smell is perfect, sour but fresh and so bubbly and active ! I know I may be jumping the gun trying out the bread this early, but based on all my research it’s promising hence the activity and rising time in the starter! Read more

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★★★★★

Great Starter for a novice like me!

KKJanuary 5, 2026

Worked great! Followed the instructions and had no issues! I’ve been using and giving away starter like mad! Just dehydrated some so I can have a little sourdough feeding vacation! When feeding I use 1/4 cup bread flour and 1/4 cup unbleached flour or Einkorn flour and 1/2 cup water. Keep it warm while it’s going thru its feeding! Great bread, biscuits and next up, pretzels! So delish!!! Read more

★★★★★

Fantastic Stater

Handy GrannyDecember 22, 2025

This starter is exactly as advertised. I needed to use three different starters though, and let me tell you why so you don’t make the same mistakes I made. The first batch of starter barely grew and developed a slight acetone smell after a week of trying. I contacted the seller and they were amazing. They explained that my problem was probably environmental and they were right. It had been on my kitchen counter and the temperature fluctuated too much, so they asked me to try again, and I did. The second batch was done in the oven with the oven light on. This was the perfect temperature and after four days it was ready to use, but my housemate accidentally turned on the oven destroying my batch. So the next idea was to cover the stove controls with post it notes, The third batch was amazing! The post it notes helped in a household where multi people use appliances and prevents any oopsies. On the fourth day, I made focaccia because my dough was too soft, had it sit in the refrigerator for three days and allowed it to proof before I baked it. It had a wonderful flavor and texture, I used an inverted cookie sheet with a pan of water on top to seal in the steam, and it stuck to the bottom, so next time I will use a sheet of parchment paper Then I made an actual round loaf in my very inexpensive dutch oven. I used a small kitchen bowl lined with flour and cheesecloth, covered it to make the right size loaf, nothing fancy, nothing expensive, and let it cure in the refrigerator for three days, I put parchment paper in a warm Dutch oven and baked it to a golden brown. It made great grilled cheese sandwiches. Nice flavor, mildly tangy. Now my third batch is jumbo cupcake size sour dough rounds for Christmas dinner. Those are prepared in a 9*13 pan with giant cupcake papers. It will also cure for three days, proof and then bake it to a golden brown brown. The starter that I have stored in my fridge activates almost immediately and is ready to use the same day I feed it. Fantastic starter Read more

★★★★★

Not so hard, easy to get started.

MossbackJanuary 3, 2026

I’m new to sourdough, and this was the easiest way to kick-start a starter. Yes, you can absolutely make one from scratch with just flour and water—the wild yeast in the air will eventually do its thing—but this little packet lets you skip the waiting and start with an established, mature strain. Older strains tend to produce better bread with more complex flavor, and this one delivers. It took about seven days for the starter to develop that classic, wonderful sourdough aroma, and it’s been strong and active ever since. I’m baking nearly every day now, typically using about 150 g of starter with 450 g of flour, 320 g of water, and 10 g of salt for a great loaf. Well worth the effort. Do yourself a favor and pair it with proper sourdough starter jars—it makes the whole process much easier. https://a.co/d/fgKolmV Read more

★★★★★

Perfect way to get started with sourdough!

CustomerDecember 30, 2025

I was interested in trying sourdough, but I didn't want to spend weeks nurturing a starter from scratch with so-so odds of success. Instead I bought a packet of Captain Sourpants starter culture, and that was a SMART MOVE. The instructions are so simple to follow. I could see visible bubbling about three days in, and it seemed like the activity ramped up steadily from that point on. By day 7 it was doubling so nicely in a matter of hours that I decided to give it a try, and I got a beautiful bake from it. I have my second batch of dough bulk fermenting as we speak. This is a fantastic product if you want to get into sourdough but feel intimidated by the starter process. Read more

★★★★☆

Great starter, might not be appropriate for whole wheat flour

Anuja MerwadeJanuary 20, 2026

The sourdough starter is good and consistently bubbled up the first 5-6 days with regular feeding. Although I was using all purpose flower for the feeding, I used whole wheat flour for making the main dough and that did not bake as expected. Maybe it doesn't work well with whole wheat bread during bulk fermentation. Otherwise very good starter. Read more

★★★★★

Finally a perfect loaf!!

D. RichardsonJanuary 20, 2026

After trying homemade starters, I opted to order this highly rated starter and so glad I did!! Finally a perfect loaf on the very first try! Very easy to use and makes delicious sourdough. Will definitely purchase again. Read more

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