Heirloom sourdough starters

Mature, super-active starter. Real sourdough, from day one.

Revive it with flour and water, feed it regularly, and it will keep baking bread, pizza, pancakes and more for a lifetime.

  • Available on Amazon USA & Canada
  • Gluten-free & organic options
Captain Sourpants San Francisco Sourdough Starter pouch with fresh bread, flour and an active starter jar

Our products

Find your starter

Captain Sourpants Sourdough Starter pouch

Beginner friendly

Sourdough Starter

Mature, fast-activating and beginner friendly, for strong rise and authentic sourdough flavour.

Captain Sourpants San Francisco Sourdough Starter pouch

100+ year heirloom

San Francisco Sourdough Starter

A 100+ year heirloom culture for tangy loaves, pretzels and bagels.

Organic Sourdough Starter pouch

Organic

Organic Sourdough Starter

Made with organic flour and non-GMO ingredients. All natural, no preservatives.

Captain Sourpants Gluten Free Sourdough Starter pouch

Gluten free

Gluten Free Sourdough Starter

Made for gluten-free baking. Revive it with brown rice flour and water.

Complete all-in-one sourdough jar kit with cloth cover, glass jar, thermometer strip, tracker band, spatula and silicone lid

Start from scratch

Sourdough Starter Jar Kit

A 37 oz wide-mouth glass jar with feeding tracker band, thermometer strip, silicone lid and base, cloth cover and spatula.

Easy to use

Simple instructions for reviving and caring for your starter.

Lasts a lifetime

With regular feeding, your starter keeps going indefinitely.

Versatile

Bread, pizza, buns, muffins, pancakes and a lot more.

Just flour & water

All you need is our dry starter, flour, water — and a little love.

Just got your starter?

Bring it to life in a few days.

Follow the step-by-step guide for your product. Most questions are answered right there.

From our kitchen

Recipes to bake next