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+ servings
sourdough brookie cookie on a cup of coffee

Easy Sourdough Brookies - Brownies + Cookies

Leisha Lockrem
Easy sourdough brookies are cookies that combine two different batters into one cookie, half cookie, and half brownie. 
5 from 1 vote
Prep Time 30 minutes
Cook Time 16 minutes
Chill Time 1 hour
Total Time 1 hour 46 minutes
Course Dessert
Cuisine American
Servings 29 Cookies
Calories 246.7 kcal

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Ingredients
  

Chocolate Chip Cookie Dough

  • 150 g unsalted butter ⅔ cup
  • 135 g brown sugar ⅔ cup
  • 100 g sugar ½ cup
  • 1 large egg
  • tsp vanilla extract
  • 125 g sourdough discard ½ cup
  • 280 g all-purpose flour 2¼ cups
  • ¾ tsp baking powder
  • ¾ tsp baking soda
  • ½ tsp salt
  • 215 g chocolate chips 1¼ cups

Brownie Cookie Dough

  • 113 g unsalted butter ½ cup/1 stick
  • 1 tsp espresso powder
  • 150 g light brown sugar ¾ cup
  • 50 g sugar ¼ cup
  • 56 g sourdough discard ¼ cup
  • 1 large egg
  • 1 tbsp vanilla extract
  • 180 g all-purpose flour 1½ cups
  • 1 tbsp baking powder
  • 1 tsp salt
  • 25 g unsweetened cocoa powder (sometimes called natural cocoa powder) 5 tbsp
  • 130 g chocolate chips ¾ cup

Instructions
 

Brownie Cookies

  • Cream 113 g (½ cup) unsalted butter, 150 g (¾ cup) brown sugar, and 50 g (¼ cup) sugar in a large mixing bowl using a hand mixer until smooth.
  • Add 1 large egg, 56 g (¼ cup) sourdough discard, 1 tbsp vanilla extract, and 1 tsp espresso powder to the bowl and mix on low, gradually increasing to medium speed.
  • Whisk together 180 g (1 ½ cups) flour, 1 tbsp baking powder, 25 g (5 tbsp) cocoa powder, and 1 tsp salt in a separate medium bowl.
  • Add the dry ingredients to the bowl with the wet ingredients. Mix well, scraping the sides of the bowl, until the dry ingredients are completely incorporated.
  • Lastly, stir in 130 g (¾ cup) chocolate chips and set aside to make the chocolate chip cookie dough.

Chocolate Chip Cookie Dough

  • Cream 150 g (⅔ cup) unsalted butter, 135 g (⅔ cup) brown sugar, and 100 g (½ cup) sugar in a separate mixing bowl using a hand mixer, starting on low and gradually increasing to medium speed until light and fluffy.
  • Add 1 large egg, 125 g (½ cup) sourdough discard, and 1 ½ tsp vanilla extract to the bowl and fully incorporate.
  • Whisk together 280 g (2 ¼ cups) flour, ¾ tsp baking powder, ¾ tsp baking soda, and 1/2 tsp salt in a small bowl.
  • Add the dry ingredients to the bowl with the wet ingredients and mix until it's fully combined.
  • Stir in 215 g (1 ¼ cups) chocolate chips.

Combine Cookie Dough

  • Scoop both the brownie dough and the chocolate chip cookie dough onto a baking sheet using a small cookie scoop.  At this point, the brownie cookie dough is soft but will firm up once it's cold.
  • Place the baking sheet in the fridge to chill for 1 hour, or the freezer for 20 minutes.

Bake

  • Preheat the oven to 350°F/180°C
  • Line a large baking sheet with a piece of parchment paper.
  • While the oven is preheating, shape the brookies by combining one of each type of cookie dough and press into one large cookie dough ball. Place brookie dough balls onto the prepared baking sheet 3 inches apart.
  • Bake for 18-19 minutes or until the edges of the chocolate chip cookies begin to get golden brown. The exact baking time will vary since all ovens are different so check the cookies at 17 minutes.
  • ​Rest the brookies on the baking sheet before removing them to a wire rack to cool.

Storing and Freezing Instructions

  • Allow the brookies to cool completely before placing them into an airtight container. Store at room temperature up to 5 days.
  • To freeze brookie cookies, place cooled cookies in a freezer-safe container with as little additional room as possible. Enjoy within 3 months.
  • To freeze brookie cookie dough, place combined cookie dough onto a baking sheet and flash freeze for one hour or until frozen solid. Remove the frozen cookie dough balls and place them into a freezer-safe plastic bag, squeezing out as much air as possible, and place back into the freezer. When ready to bake increase the bake time by 1 or 2 minutes.

Notes

Nutrition information is automatically calculated, so should only be used as an approximation.

Nutrition

Calories: 246.7kcalCarbohydrates: 34.8gProtein: 2.2gFat: 11.3gSaturated Fat: 6.9gPolyunsaturated Fat: 0.4gMonounsaturated Fat: 2gTrans Fat: 0.3gCholesterol: 32.3mgSodium: 212.5mgPotassium: 73.4mgFiber: 0.4gSugar: 21.6gVitamin A: 245.3IUCalcium: 53.8mgIron: 0.9mg
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