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Sourdough Chocolate Chip Blondies

EVERYDAY TABLE  ·  Nov 6, 2026
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I love how these Sourdough Chocolate Chip Blondies come together with just a few ingredients and offer a decadent blend of gooey chocolate and tangy sourdough in every bite. Their simplicity and flavor make them a pantry staple that never disappoints.

A few years ago, while experimenting with sourdough starter leftovers, I stumbled upon the delightful combination that is now my go-to treat – the Sourdough Chocolate Chip Blondies. The first time I tasted the blend of chocolate and sourdough, I was whisked back to childhood, savoring freshly baked treats in my grandmother’s kitchen.

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This recipe is special because it’s not just a sweet indulgence; it’s an unexpected flavor journey that is both simple and budget-friendly. By repurposing sourdough discard, it reduces waste and offers something delicious in return. Whether you’re a seasoned baker or just starting out, you’ll find creating these blondies a satisfying and flavorful experience that won’t eat up much of your time.

Why You’ll Love Sourdough Chocolate Chip Blondies?

  • Simplicity at its Best: With no complex steps involved, this recipe makes baking accessible to everyone—from beginners to seasoned pros.
  • Rich Flavor Profile: The perfect combination of tangy sourdough and sweet chocolate chips creates a delectable balance that tantalizes the taste buds.
  • Consistency Guaranteed: By following trusted baking techniques, the result is always a batch of perfectly chewy, soft blondies, every time you bake.
  • Adaptable Recipe: You can tweak the flavors and add-ins to suit your personal taste, making it a versatile addition to your baking repertoire.
  • Efficient Use of Ingredients: This recipe is an effective way to use up your sourdough discard, ensuring nothing goes to waste.
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Ingredients Notes

  • All-purpose flour: I choose unbleached for a subtle flavor, creating the perfect structure for tender blondies.
  • Sourdough discard: Adds a unique tang, enhancing depth to balance sweetness beautifully.
  • Light brown sugar: Its molasses content provides moisture and a delightful, caramel flavor.
  • Butter (melted): Opt for unsalted, as it gives a rich, luxurious texture crucial for chewiness.
  • Vanilla extract: Use pure vanilla for its unparalleled ability to amplify the other flavors.
  • Baking powder: Ensures a light rise, crucial for creating those signature crackly tops.
  • Salt: Just a pinch balances sweetness, enhancing the overall flavor complexity.
  • Chocolate chips (divided): Mix dark and semi-sweet for a layered flavor experience in every bite.
  • Egg (room temperature): Whisks in smoothly, promoting a stable structure and achieving a soft, chewy crumb.

How to Make Sourdough Chocolate Chip Blondies?

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Embark on a delightful baking journey with these delectable Sourdough Chocolate Chip Blondies. Start by gathering your ingredients: butter, brown sugar, vanilla extract, all-purpose flour, baking soda, sourdough discard, and, of course, chocolate chips.

Step 1: Preheat your oven to 350°F (175°C). Prepare an 8×8 inch baking dish by lining it with parchment paper. This ensures easy removal and cleanup.

Step 2: Melt the butter gently, either in a microwave or on the stove. Allow it to cool slightly; this helps merge the flavors without cooking the eggs prematurely.

Step 3: In a mixing bowl, whisk together the melted butter and brown sugar until the mixture is smooth and creamy. The aroma should be rich and caramel-like.

Step 4: Add the vanilla extract and incorporate it well. This adds depth and complexity to the flavor profile.

Step 5: Stir in the sourdough discard. This is the secret ingredient that provides a unique tangy undertone and moist texture.

Step 6: In a separate bowl, sift together the flour and baking soda to ensure even distribution. Gradually fold this dry mixture into the wet ingredients, creating a smooth batter.

Step 7: Gently fold in the chocolate chips, ensuring even dispersion. Aim for a luscious, chocolate-studded batter.

Step 8: Pour the batter into the prepared baking dish , smoothing the top with a spatula. Make sure it’s evenly spread for uniform baking.

Step 9: Bake for 25-30 minutes, checking for a golden-brown top and a slight jiggle in the center. Allow the blondies to cool completely before slicing, as this will set the texture.

Expert Cooking Tips

  • I always use room temperature ingredients for smooth blending.
  • Chill the dough for thicker, chewy blondies.
  • Use high-quality chocolate for the best flavor.
  • If the mixture feels too thick, add a tablespoon of milk.
  • Test doneness by inserting a toothpick; it should come out mostly clean.

Storage Tips

  • Store blondies in an airtight container at room temperature for up to 4 days.
  • Keep in the refrigerator for up to a week to maintain freshness.
  • Freeze individually wrapped portions to enjoy later.
  • To reheat, thaw at room temperature and bake at 300°F for 5 minutes.
  • Avoid freezer burn by wrapping in foil and then sealing in a plastic bag.

Variations and Substitutions

  • Gluten-Free: Substitute all-purpose flour with a gluten-free blend to maintain texture. Ensure your gluten-free flour includes xanthan gum for binding.
  • Dairy-Free: Use coconut oil or vegan butter instead of regular butter. Opt for dairy-free chocolate chips for consistent flavor.
  • Nuts: Incorporate walnuts or pecans for added crunch. Ensure nuts are finely chopped to balance with the blondie’s texture.
  • Berry Twist: Add dried cranberries or raspberries for a fruity kick. The sweet-tart flavors complement the rich chocolate.
  • White Chocolate: Replace semi-sweet chips with white chocolate for a creamier twist. Pair with macadamia nuts for depth.
  • Caramel Swirl: Drizzle caramel sauce over the batter before baking. This adds a delightful, gooey texture to each bite.
  • Almond Flour : For a nutty base, substitute half of the flour with almond flour . This enhances flavor while maintaining structure.
  • Brown Sugar Substitute: Use coconut sugar for a subtle caramel taste. It adds a healthier touch without losing sweetness.
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What to Serve with Sourdough Chocolate Chip Blondies?

  • Vanilla Ice Cream: The creamy texture balances the blondie’s soft, chewy interior, creating a classic, indulgent dessert experience.
  • Fresh Berries: Strawberries or blueberries add freshness and acidity, which pairs well with the richness of the blondies.
  • Whipped Cream: Light and airy, this topping adds a delicate contrast enhancing the blondie’s flavors without overpowering them.
  • Espresso: Intense coffee notes highlight the chocolate chips’ richness, offering a deliciously balanced flavor combination.
  • Mint Tea: Refreshing and aromatic, mint tea cleanses the palate, accentuating the blondie’s sweetness without heaviness.
  • Roasted Nuts: For added crunch and depth, serve alongside roasted almonds or cashews. Complements the blondie’s soft texture beautifully.

FAQ

Ensure thorough baking by testing with a toothpick. Avoid underbaking for the best texture.

Reduce sugar by 1/4 cup without altering the texture. Adjust chocolate chips to taste.

Bake for less time, around 28-30 minutes, and let cool in the pan thoroughly.

Fold in ingredients gently to avoid overmixing, preserving the blondie’s airy structure.

Add an extra egg yolk for binding, ensuring a softer, moist outcome.

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THE RECIPE

Sourdough Chocolate Chip Blondies

Prep15 min Cook30 min Total time45 min Yield16, 16 blondies

Ingredients

Instructions

  1. Step 1

    Preheat oven to 350°F (175°C). Line an 8×8 inch baking dish with parchment paper for easy removal.

  2. Step 2

    Melt butter gently and let cool slightly.

  3. Step 3

    Whisk melted butter with brown sugar until smooth and creamy.

  4. Step 4

    Add vanilla extract; incorporate well.

  5. Step 5

    Stir in sourdough discard for added tang and moisture.

  6. Step 6

    Sift flour and baking soda in another bowl, then gradually fold into wet mixture.

  7. Step 7

    Fold in chocolate chips evenly.

  8. Step 8

    Pour batter into the baking dish, smoothing the top.

  9. Step 9

    Bake 25-30 minutes. Cool completely before slicing.

Source: www.kitchenmomy.com · Original recipe source.