Crispy Edge Sourdough Brownies

Name: Crispy Edge Sourdough Brownies
Prep time: 15 min
Cook time: 25 min
Total time: 40 min
Yield: 12 servings
Ingredients: 1 cup sourdough starter (fed or unfed); 1 cup granulated sugar; 1/2 cup brown sugar; 1 stick (1/2 cup) unsalted butter, melted; 1 cup all-purpose flour; 1/2 cup unsweetened cocoa powder; 1/2 teaspoon baking powder; 1/4 teaspoon salt; 2 large eggs; 1 teaspoon vanilla extract; 1 cup chocolate chips (optional)

Highlighted under: Cozy Recipes

I can't get enough of these Crispy Edge Sourdough Brownies! There's something magical about the way the sourdough starter enhances the flavor, creating a delightful tang that contrasts beautifully with the rich chocolate. The edges turn perfectly crispy while the center remains gooey, making every bite a heavenly experience. Whether I'm serving them at a gathering or indulging myself at home, these brownies always steal the show. If you're a brownie lover like me, you need to try this recipe—it’s truly a game changer!

Created by

Juniper Hale

Last updated on 2026-01-24T12:47:34.817Z

When I first experimented with using sourdough in my brownie recipe, I was pleasantly surprised by the results. The tangy flavor of the starter adds a complexity that regular brownies simply can't match. I made sure to let the brownies cool completely before cutting them, which I find helps the edges maintain that wonderful crispiness.

For anyone worried about the sourdough flavor being too strong, I assure you it blends beautifully with the chocolate. I often use high-quality cocoa and dark chocolate, which enhances the overall richness and results in a truly decadent dessert. This method has become a staple in my kitchen!

        Why You'll Love These Brownies
        Crispy edges create the perfect texture contrast
Tangy sourdough flavor elevates the chocolate experience
Simple ingredients, yet impressively delicious
Ideal for parties or a comforting treat at home

      

Understanding Sourdough in Brownies

Using sourdough starter in these brownies not only contributes a unique tanginess but also enhances moisture and texture. The fermentation in sourdough produces organic acids that create a more complex flavor profile. This balances the sweetness of the sugars, making the brownies deeper in flavor. If you're using unfed sourdough, the hydration level remains high, which leads to a fudgier center when baked. Just ensure the starter is active for the best results!

You can substitute sourdough with other types of starter, such as a Whole Wheat or Rye starter, which will impart different flavors. However, keep in mind that the chocolate flavor is prominent, so choose a starter that won't overpower the brownie’s rich essence. For those looking to experiment further, consider incorporating nuts or dried fruits that complement the tanginess of the sourdough, creating even more texture.

Perfecting the Baking Process

Achieving the ideal texture with these brownies requires attention to baking times and temperatures. Overbaking can lead to dry brownies, so it's crucial to monitor them closely towards the end of the baking time. A toothpick should come out with a few moist crumbs, not completely clean. If you're unsure, removing the brownies from the oven at the 22 to 25-minute mark often provides the best results.

Also, allowing the brownies to cool in the baking dish is essential for proper texture. This cooling period helps solidify the edges, resulting in that coveted crispy edge while ensuring the center remains gooey. Place the brownies on a wire rack to cool completely before cutting. Cutting while they're warm may lead to a messy tray of brownies, so patience is key!

Storage and Variations

These brownies can be stored in an airtight container at room temperature for up to four days, making them perfect for snacking throughout the week. For longer storage, consider freezing them. Wrap individual squares in plastic wrap and then foil; they can last up to three months in the freezer. When ready to enjoy, simply let them defrost at room temperature or warm them slightly in the microwave for that fresh-out-of-the-oven vibe.

For variations, you can swap out the chocolate chips for different types of add-ins, like white chocolate, caramel bits, or even a swirl of nut butter for an additional flavor layer. You might also experiment with flavored extracts, such as almond or hazelnut, to further personalize these brownies to suit your taste preferences.

Ingredients

Gather these ingredients before starting your baking adventure!

For the Brownies

1 cup sourdough starter (fed or unfed)
1 cup granulated sugar
1/2 cup brown sugar
1 stick (1/2 cup) unsalted butter, melted
1 cup all-purpose flour
1/2 cup unsweetened cocoa powder
1/2 teaspoon baking powder
1/4 teaspoon salt
2 large eggs
1 teaspoon vanilla extract
1 cup chocolate chips (optional)

Make sure to measure all ingredients accurately for the best results!

Instructions

Follow these steps to bake your perfect brownies!

Preheat the Oven

Preheat your oven to 350°F (175°C) and grease an 8x8 inch baking dish.

Mix Wet Ingredients

In a large bowl, combine the sourdough starter, melted butter, granulated sugar, brown sugar, eggs, and vanilla extract. Mix until well combined.

Sift Dry Ingredients

In another bowl, sift together the flour, cocoa powder, baking powder, and salt.

Combine Mixtures

Gradually add the dry mixture to the wet mixture, stirring until just combined. Fold in the chocolate chips if using.

Bake

Pour the brownie batter into the prepared baking dish and spread evenly. Bake for 25 minutes or until a toothpick inserted into the center comes out with a few moist crumbs.

Cool and Serve

Allow the brownies to cool in the baking dish before cutting into squares. Enjoy your crispy edge brownies with a glass of milk or a scoop of ice cream!

Remember, letting the brownies cool completely will give you that perfect edge!

Pro Tips

For extra gooey brownies, consider reducing the baking time by a couple of minutes. The addition of nuts can also add delightful texture.

Serving Suggestions

To elevate the enjoyed experience of these brownies, serve them warm with a scoop of vanilla ice cream and a drizzle of chocolate sauce. The contrast between the warm, fudgy brownie and the cold ice cream creates a textural delight, making it an indulgent dessert that’s perfect for special occasions or cozy nights in.

Alternatively, you can pair these brownies with a rich espresso or a glass of red wine. The bittersweet chocolate accentuates the flavors of both the coffee and the wine, creating a luxurious treat. For a festive spin, consider sprinkling the brownies with sea salt or a dusting of powdered sugar before serving to enhance their presentation.

Troubleshooting Common Issues

If your brownies turn out too cakey, this could be due to overmixing the batter or adding too much flour. Remember to mix until just combined when merging dry and wet ingredients. Additionally, ensure that you’re accurately measuring the flour; spooning it into the measuring cup without packing can help prevent extra flour from sneaking in.

Conversely, if the brownies are too gooey, that may indicate they were underbaked. Next time, extend the baking time by a few minutes. Each oven can behave differently, so even if the recipe suggests 25 minutes, keep an eye on them after the 20-minute mark to adjust accordingly based on your oven’s unique performance.

Questions About Recipes

→ Can I use a different type of flour?

Yes, you can use gluten-free flour or whole wheat flour, but it might slightly change the texture.

→ What can I do if I don't have sourdough starter?

You can replace it with an equal amount of applesauce or yogurt, though the flavor will differ.

→ How do I store leftover brownies?

Store them in an airtight container at room temperature for up to three days or in the fridge for a week.

→ Can I freeze the brownies?

Absolutely! Wrap them individually in plastic wrap and store in the freezer for up to three months.