Sourdough Oatmeal Breakfast Cookies
Delicious, slightly sweet, made with fermented flour and oats, these sourdough breakfast cookies are the perfect on the go breakfast or snack.

Don’t get me wrong, I totally love sweets, but at the same time I really dislike how sweet most desserts are and how they make you feel after.
So I took one of my favorite oatmeal cookie recipes, made it into a fermented, less sweetened version that is perfect for an on the go breakfast or snack. They are almost like granola bars which we call “oat bars” around my house, but in the shape of a cookie.
And they are totally customizable. We make several variations of these. Perfect hearty texture from the oats, not a ton of sugar, and fermented so they are more digestible.
Some people who are sensitive to gluten can have long fermented sourdough making these healthy sourdough oatmeal cookies perfect. Those who are celiac should still avoid all gluten.
This healthy sourdough cookie recipe is also the perfect way to use up sourdough discard. Either active or starter will work, but I love using discard instead of just tossing it in the trash.

Tips:
- Substitute chocolate chips for blueberries, dried fruit, nuts, or even trail mix. My kids love the trail mix version that includes craisins, cashews, and almonds.
- You can make and bake these right away or allow them to ferment overnight for the most digestibility.
- To make these cookies low FODMAP, ferment the cookies at least overnight up to 24 hours and use either blueberries or dark chocolate chips. Some people can tolerate long fermented wheat on a low -FODMAP diet while others cannot. Skip these cookies if that is you (source).
- This recipe is healthier due to the lower amounts of sugar, inclusion of oats, and the fermented grains. If you want a sweet cookie, you can add more sugar to the dough (up to 1/2 cup more).
- Active sourdough starter or discard will work for this recipe.
- Double this recipe and stick the extras in the freezer to eat later.
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What makes these sourdough cookies healthier?
Less sugar: They have much less sugar than your standard cookie recipe with only 1/2 cup of sugar for the entire batch.
Can be made with fruit: Can be made with blueberries as well (raspberries also sound delightful) instead of chocolate for even more health benefits. I’ve made a trail mix version where I added some of our favorite trail mix. Its just cashews, almonds, and cranberries. Chopped up the nuts a little and threw them in. Kids loved them.
Fermented grains: The fermentation of grains happens when healthy bacteria and yeasts from a sourdough starter helps break down the grains in a way that makes them easier to digest. This also makes the nutrients breaks down he phytic acid present and makes the grains nutrients more bio-available.

Tools:
Stand mixer
Baking sheet – I like this stainless steel one.
Ice cream scoop – aka a large cookie scoop
Measuring cups and spoons

Ingredients
Butter
Sugar
Sourdough starter- active or discard will work just fine since the rise is do to chemical leaveners.
Maple syrup – you could also substitute for honey if you are not on low FODMAP.
Egg
All purpose flour
Oats – quick or regular will work
Vanilla extract
Baking powder
Baking soda
Salt
Cinnamon – adds a really yummy warm flavor to these sourdough breakfast cookies.
Chocolate chips – or blueberries

How To Make Healthy Sourdough Breakfast Cookies

In a stand mixer, cream together softened butter and sugar until light and fluffy.

Next, pour in sourdough starter and maple syrup and mix until combined.

Turn the mixer on low. Add flour and oats and allow it to mix together until it comes together..
Cover with a tea towel and allow to sit in a warm place for 8-24 hours. This is optional but allows the grains to ferment making them more digestible, the nutrients more bioavailable, and adds another layer of flavor. Ferment for at least 12-24 hours for low FODMAP.

The next day, preheat oven to 350.
Gather the remaining ingredients and uncover the fermented dough.

Add egg, vanilla extract, baking soda, baking powder, cinnamon, and salt to the dough.
Mix until combined.

Fold in chocolate chips or blueberries

Scoop dough onto a parchment-lined baking sheet. I like using a larger cookie scoop to make them more substantial.
Bake for 15-20 minutes for larger cookies and 12-15 minutes for smaller cookies. The edges should start to turn golden in color. Be careful not to over bake.
Cool before serving.

How To Store:
Store at room temperature in an air-tight container for 3-4 days or freeze for up to 3 months. I love freezing them and just popping them in the oven for a few minutes before eating.
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Sourdough Oatmeal Breakfast Cookies
Delicious, slightly sweet, made with fermented flour and oats, these sourdough breakfast cookies are the perfect on the go breakfast or snack.
Ingredients
- 1/2 cup butter softened
- 1/2 cup sugar
- 1/2 cup sourdough starter- active or discard
- 1 tbs maple syrup
- 1 large egg
- 1 cup all purpose flour or gluten free 1-to-1 flour
- 2 cups quick oats
- 1.5 tsp vanilla extract
- 1 tsp baking powder
- 1/2 tsp baking soda
- 1/2 tsp salt
- 1 tsp cinnamon
- 1/2 cup chocolate chips or blueberries
Instructions
- In a stand mixer, cream together softened butter and sugar until light and fluffy
- Next, pour in sourdough starter and maple syrup and mix until combined.
- Turn the mixer on low and add flour and oats.
- Cover with a tea towel and allow to sit in a warm place for 12-24 hours.
- The next day, preheat oven to 350 F.
- To the fermented dough, add egg, vanilla extract, baking soda, baking powder, cinnamon, and salt to the dough.
- Mix until combined
- Fold in chocolate chips or blueberrie
- Scoop dough onto a parchment-lined baking sheet.
- Bake for 15-20 minutes for larger cookies and 12-15 minutes for smaller cookies. The edges should start to turn golden in color.
- Cool before serving.
Notes
You can make and bake these right away or allow them to ferment overnight for the most digestibility.
To make these cookies low FODMAP, ferment the cookies at least overnight up to 24 hours and use either blueberries or dark chocolate chips. Some people cannot tolerate even long fermented sourdough on the low FODMAP diet, skip these if that is you.
This recipe is healthier due to the lower amounts of sugar, inclusion of oats, and the fermented grains. If you want a sweet cookie, you can add more sugar to the dough (up to 1/2 cup more).
Active sourdough starter or discard will work for this recipe.
Nutrition Information:
Yield: 12 Serving Size: 1Amount Per Serving: Calories: 283Total Fat: 11gSaturated Fat: 6gTrans Fat: 0gUnsaturated Fat: 4gCholesterol: 36mgSodium: 289mgCarbohydrates: 41gFiber: 2gSugar: 14gProtein: 5g
What temperature do you bake these at?
Somehow I totally forgot to add that! It’s updated now. 350 degrees
This was a great way to use up some discard! Thank you for the great recipe.
We are so glad you enjoyed it!
Can you use coconut oil instead of butter
Yes! I haven’t tried it, but that is a common switch. I bet it will be delicious!
I used this recipe as a launching point and made a lot of substitutions but I’m so thankful to have found this for inspiration! One thing that threw me off was the fermentation process. I was expecting the “dough” to rise like bread but I guess because of the high oat content it lacks the gluten to do so? I let mine ferment an extra 12 hours (36 total) because it looked like nothing was happening and it definitely over fermented. My mistake! Don’t be like me and assume it’s doing nothing! Open your container and smell it! That will definitely help you tell where it’s at with the fermentation.
Thank you for the feedback! It’s so great to learn from each other 🙂
Thank you for the recipe! I’m going to give it a shot tonight using raisins and rated carrot to see if I can make this into a carrot cake sourdough breakfast cookie. I’ll let you know how it goes.
That sounds delicious! Yes, please let us know 🙂
I love sourdough, oatmeal cookies, and am terrible at breakfast. I should try this out for easy during the week treats.