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+ servings
Oatmeal cookie with a bite taken out on a baking sheet
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5 from 7 votes

Sourdough Oatmeal Cookies

These sourdough oatmeal cookies are incredibly soft, chewy and irresistible. You will never make normal oatmeal cookies again.
Prep Time20 minutes
Cook Time14 minutes
Total Time34 minutes
Course: Dessert
Cuisine: American
Servings: 36 Cookies. Depending on size.
Calories: 182kcal
Author: Kristin

Ingredients

  • 1 Cup Unsalted Butter Softened
  • 1 Cup Brown Sugar Packed
  • ½ Cup Granulated Sugar
  • 1 Cup Sourdough Discard
  • 1 teaspoon Vanilla Extract
  • 2 Large Eggs
  • 1.5 Cup All Purpose Flour Scooped 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: 182kcal | Carbohydrates: 23g | Protein: 3g | Fat: 9g | Saturated Fat: 5g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 2g | Trans Fat: 0.2g | Cholesterol: 24mg | Sodium: 115mg | Potassium: 91mg | Fiber: 2g | Sugar: 12g | Vitamin A: 176IU | Vitamin C: 0.002mg | Calcium: 25mg | Iron: 1mg