Sourdough Chocolate Chip Cookie Bars

Sourdough Chocolate Chip Cookie Bars are thick, soft-baked bars packed with melty chocolate chips and rich buttery flavor, enhanced by the subtle tang of sourdough discard. These easy one-pan treats deliver the taste of classic chocolate chip cookies in a fudgy, chewy bar form. Perfect for dessert, snacks, or sharing, they’re a delicious way to use sourdough discard while baking a crowd-pleasing favorite.

Ingredients

For the Cookie Bar Dough

• ½ cup unsalted butter, melted
• ¾ cup brown sugar
• ¼ cup granulated sugar
• 1 cup sourdough discard
• 1 large egg
• 1 teaspoon vanilla extract
• 1½ cups all-purpose flour
• ½ teaspoon baking soda
• ½ teaspoon salt
• 1½ cups chocolate chips

Preparation Steps

Step 1: Prepare the Pan

Preheat oven to 350°F (175°C). Line an 8×8-inch baking pan with parchment paper, leaving overhang for easy lifting.

Step 2: Mix Wet Ingredients

In a bowl, whisk melted butter, brown sugar, and granulated sugar until smooth. Add sourdough discard, egg, and vanilla. Mix until glossy and combined.

Step 3: Add Dry Ingredients

Stir in flour, baking soda, and salt just until a soft dough forms. Fold in chocolate chips evenly.

Step 4: Spread Dough

Press dough evenly into prepared pan. Sprinkle extra chocolate chips on top if desired.

Step 5: Bake

Bake 20–25 minutes, until edges are golden and center is just set for soft bars.

Step 6: Cool and Slice

Cool completely in pan before lifting and cutting into squares for clean edges.

Variations

• Add chopped walnuts or pecans
• Use dark or white chocolate chips
• Swirl in peanut butter
• Add sea salt flakes on top
• Mix in toffee bits

Serving Suggestions

• Serve slightly warm
• Pair with milk or coffee
• Top with ice cream
• Drizzle with chocolate sauce
• Serve as dessert squares

Prep Time / Bake Time / Chill Time / Total Time

Prep Time: 15 minutes

Bake Time: 22 minutes

Chill Time: 0 minutes

Total Time: About 37 minutes

Nutritional Info (Approx.)

Calories: 290 per bar

Protein: 3g

Fat: 14g

Carbohydrates: 38g

Conclusion

Sourdough Chocolate Chip Cookie Bars are soft, chewy, and loaded with gooey chocolate in every bite. With rich buttery flavor and the subtle tang of sourdough, these easy bars are a perfect homemade treat everyone will love.