Sourdough Oatmeal Cookies

These sourdough oatmeal cookies are incredibly soft, chewy and irresistible. You will never make normal oatmeal cookies again.

Oatmeal cookies on a baking sheet with one that has a bite taken out.

When it comes to baking, there are not many recipes that are made in my kitchen that don’t have sourdough starter in it.

And these sourdough oatmeal cookies are no different. The sourdough gives them the most soft texture while still offering that classic oatmeal cookie taste.

If you love cookies, and using your sourdough discard, check out my sourdough discard chocolate brownie cookie recipe, sourdough peanut butter cookies or a sourdough chocolate chip cookie. It was a holiday favorite of ours, but can be made all year long.

If you love all those check out thesesourdough monster cookies! They are a combination of the three classics.

Be sure to check out all kinds of sourdough discard recipes to get some inspiration for your next baking day!

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🍪Ingredients

Vanilla extract, rolled oats, sourdough discard, butter, sugar, brown sugar, flour and other ingredients to make oatmeal cookies.

Sourdough Discard: This recipe calls for inactive, sourdough discard. That is when the starter that has been fed and fell back down. Learn more about what sourdough discard is.

Baking powder and soda: Because sourdough discard has lost some of its potential to bake, it needs some extra help from baking powder and baking soda.

Chocolate chips: This recipe calls for semi sweet chocolate chips but raisins or walnuts can also be used.

Butter: Make sure the butter is soft and at room temp, but not melted.

See full information on ingredients and quantities in the recipe card.

🥣How to Make

Step 1: Preheat oven to 350 degrees Fahrenheit.

Step 2: Prepare a 9″x13″ baking sheet with parchment paper. Set aside.

Four images of sourdough cookie dough being made. One bowl with the dry ingredients then a stand mixer creaming together the wet and then the dry.

Step 3: In a medium bowl, whisk together the flour, baking powder, baking soda, ground cinnamon, and salt. Set aside. (Image 1).

Step 4: In the bowl of a stand mixer, whip the butter with a paddle attachment until completely smooth with no lumps. (Image 2).

Step 5: Add in both sugars and continue to mix until everything is fully incorporated. (Image 3).

Step 6: Then, mix in the sourdough discard and vanilla extract until everything is combined. (Image 4).

Add in one egg at a time, mixing just until combined.

đź’ˇPro Tip: Do not over mix once the eggs are added. This will make them tough and dense.

One photo of cookie batter and the other two with cookies scooped onto a cookie sheet.

Step 7: Fold in the dry ingredients just until fully incorporated. (Image 5).

Step 8: Remove bowl from the mixer and fold in the oats and chocolate chips.

Step 9: Scoop out the cookie dough using a cookie scoop and place on the prepared baking sheet. (Image 6).

I like to use a 2 tablespoon scoop.

Step 10: Place in the oven and bake for 12-14 minutes or until they are golden brown and the center is cooked.

Repeat the baking process until all the cookies are done.

Baked oatmeal cookies on a baking sheet.

Remove from the oven and place on a wire cooling rack to cool. If you can even wait that is…

❓Recipe FAQs

Why are my oatmeal cookies hard?

They may be over baked. Try lowering the temp of the oven and reducing the amount of time they are being baked.

Should you chill oatmeal cookie dough?

These sourdough oatmeal cookies do not require to be refrigerated before baking but it doesn’t hurt. Chill the batter 2 hours up to overnight and bake when ready.

Can you freeze oatmeal cookies?

Yes! These cookies freeze really well. Just store in a freezer safe container.

🍪Other Sourdough Cookies

  • Sourdough Discard Chocolate Cookies
  • Sourdough Biscotti
  • Sourdough Peanut Butter Cookies
  • Sourdough Chocolate Chip Cookies

Did you make it? If you loved this recipe or any others on Dirt & Dough, please leave a 5-🌟 in the recipe card below. Let me know how it went by leaving a comment below the recipe card. I love hearing from you!

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đź“‹Recipe

Oatmeal cookie with a bite taken out on a baking sheet

Sourdough Oatmeal Cookies

Author: Kristin
These sourdough oatmeal cookies are incredibly soft, chewy and irresistible. You will never make normal oatmeal cookies again.
5 from 9 votes
Print Recipe Pin Recipe
Prep Time 20 minutes
Cook Time 14 minutes
Total Time 34 minutes
Course Dessert
Cuisine American
Servings 36 Cookies. Depending on size.
Calories 182 kcal

Equipment

  • Stand Mixer
  • Baking Sheet
  • Parchment Paper
  • Cooling Rack
  • Cookie Scoop

Ingredients
  

  • 1 Cup Unsalted ButterSoftened
  • 1 Cup Brown SugarPacked
  • ½ Cup Granulated Sugar
  • 1 Cup Sourdough Discard
  • 1 teaspoon Vanilla Extract
  • 2 Large Eggs
  • 1.5 Cup All Purpose FlourScooped and leveled
  • 1 teaspoon Ground Cinnamon
  • 1 teaspoon Baking Powder
  • 1 teaspoon Baking Soda
  • 1 teaspoon Kosher Salt
  • 3.5 Cups Old Fashioned Rolled Oats
  • 1.5 Cup Chocolate Chips

Instructions
 

  • Preheat oven to 350 degrees Fahrenheit.
  • Prepare a 9″x13″ baking sheet with parchment paper. Set aside.
  • In a medium bowl, whisk together the flour, baking powder, baking soda, ground cinnamon, and salt. Set aside.
  • In the bowl of a stand mixer, whip the butter with a paddle attachment until completely smooth with no lumps.
  • Add in both sugars and continue to mix until everything is fully incorporated.
  • Then, mix in the sourdough discard and vanilla extract until everything is combined.
  • Add in one egg at a time, mixing just until combined. Do not over mix at this point!
  • Mix in the dry ingredients. Just until combined. Avoid overmixing.
  • Remove bowl from the mixer and fold in the oats and chocolate chips with a spatula or wooden spoon.
  • Scoop out the cookie dough using a cookie scoop and place on the prepared baking sheet. 
  • Place in the oven and bake for 12-14 minutes or until they are golden brown and the center is cooked. 
  • Remove from the oven and place on a wire cooling rack to cool.

Notes

Important Notes
Once you get to the step where the eggs are added be sure to not over mix. Just mix until everything in combined. 
Ingredient Notes
    • Sourdough Discard: This recipe calls for inactive, sourdough discard. That is when the starter that has been fed and fell back down. Learn more about what sourdough discard is.
    • Baking powder and soda: Because sourdough discard has lost some of its potential to bake, it needs some extra help from baking powder and baking soda.
    • Chocolate chips: This recipe calls for semi sweet chocolate chips but raisins or walnuts can also be used.
    • Butter: Make sure the butter is soft and at room temp, but not melted.
 

Nutrition

Calories: 182kcalCarbohydrates: 23gProtein: 3gFat: 9gSaturated Fat: 5gPolyunsaturated Fat: 1gMonounsaturated Fat: 2gTrans Fat: 0.2gCholesterol: 24mgSodium: 115mgPotassium: 91mgFiber: 2gSugar: 12gVitamin A: 176IUVitamin C: 0.002mgCalcium: 25mgIron: 1mg
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