Brownies are the ultimate chocolate indulgence, but have you ever tried a fudgy cake crumb brownie recipe? This recipe takes traditional brownies to the next level by incorporating cake crumbs, giving them a unique texture that is both rich and slightly chewy. In this guide, you’ll learn how to make the most decadent, moist, and delicious brownies ever. Let’s dive in!
Why You’ll Love This Fudgy Cake Crumb Brownie Recipe
There are many brownie recipes out there, but this one stands out for several reasons:
- Extra fudgy texture – The perfect balance of butter, sugar, and cocoa powder creates a deep, rich consistency.
- Cake crumbs add depth – Instead of letting cake crumbs go to waste, we repurpose them for added flavor and texture.
- Easy to make – This recipe requires simple ingredients and a straightforward process.
- Customizable – You can add nuts, chocolate chips, or a caramel drizzle to enhance the flavor.
- Perfect for all occasions – Whether for a party, family gathering, or an everyday treat, these brownies always impress.
Key Ingredients for Fudgy Cake Crumb Brownies
To make this irresistible dessert, you’ll need the following ingredients:
Wet Ingredients:
- 1 cup unsalted butter, melted
- 1 ½ cups granulated sugar
- ½ cup brown sugar, packed
- 3 large eggs, at room temperature
- 2 teaspoons vanilla extract
Dry Ingredients:
- ¾ cup unsweetened cocoa powder
- ½ teaspoon salt
- ½ teaspoon baking powder
- ¾ cup all-purpose flour
- 1 cup cake crumbs (vanilla or chocolate cake works best)
Optional Mix-ins:
- ½ cup chocolate chips
- ½ cup chopped walnuts or pecans
- ½ teaspoon espresso powder (enhances chocolate flavor)
- ½ cup caramel bits for extra sweetness
Step-By-Step Instructions to Make Fudgy Cake Crumb Brownies

Step 1: Preheat and Prepare the Pan
Preheat your oven to 350°F (175°C). Line an 8×8-inch baking pan with parchment paper and lightly grease it with butter or non-stick spray.
Step 2: Melt the Butter and Combine Sugars
In a microwave-safe bowl, melt the butter. Let it cool slightly, then whisk in the granulated sugar and brown sugar until well combined. This helps create that signature fudgy texture.
Step 3: Add Eggs and Vanilla Extract
Crack the eggs into the bowl one at a time, whisking after each addition. Stir in the vanilla extract to enhance the flavor.
Step 4: Mix the Dry Ingredients
In a separate bowl, sift together the cocoa powder, salt, baking powder, and flour. Sifting removes any lumps and ensures a smooth batter.
Step 5: Combine Wet and Dry Ingredients
Slowly add the dry ingredients into the wet mixture, stirring gently. Be careful not to overmix, as this can lead to denser brownies.
Step 6: Fold in Cake Crumbs and Optional Mix-ins
Gently fold in the cake crumbs. If using chocolate chips, nuts, caramel bits, or espresso powder, add them at this stage.
Step 7: Bake to Perfection
Pour the batter into the prepared pan and smooth the top with a spatula. Bake for 30-35 minutes, or until a toothpick inserted in the center comes out with a few moist crumbs.
Step 8: Cool and Cut
Let the brownies cool in the pan for at least 15 minutes before lifting them out. Use a sharp knife to cut them into squares.
Pro Tips for the Best Fudgy Cake Crumb Brownies
- Use room temperature eggs – This helps the ingredients mix evenly and contributes to the perfect texture.
- Do not overmix the batter – Overmixing can create a cakier texture instead of a fudgy one.
- Check for doneness early – Every oven is different, so begin checking the brownies around the 28-minute mark.
- Let them cool completely – Brownies continue to set as they cool, so don’t rush to cut them.
- Use high-quality cocoa powder – The better the cocoa, the richer the brownies.
How to Store Fudgy Brownies
- Room Temperature – Store in an airtight container for up to 4 days.
- Refrigeration – Keeps brownies fresh for up to one week.
- Freezing – Wrap individual brownies in plastic wrap and freeze for up to 3 months.
Serving Suggestions
- Serve warm with a scoop of vanilla ice cream for a classic pairing.
- Dust with powdered sugar for an elegant touch.
- Drizzle with chocolate syrup or caramel sauce.
- Pair with a cup of espresso or hot cocoa.
Variations of This Fudgy Cake Crumb Brownie Recipe

Peanut Butter Swirl Brownies
Add ½ cup of peanut butter and swirl it into the batter before baking.
Salted Caramel Brownies
Drizzle caramel sauce over the batter before baking and sprinkle with sea salt after baking.
Double Chocolate Brownies
Use dark chocolate chunks for an even richer experience.
Raspberry Chocolate Brownies
Fold in ½ cup of fresh raspberries to balance the richness with a fruity tang.
Marshmallow Brownies
Add mini marshmallows on top during the last 5 minutes of baking for a gooey topping.
Frequently Asked Questions (FAQs)
1. What makes brownies more fudgy?
The key to fudgy brownies is using more fat (butter or oil) and less flour. The addition of cake crumbs also helps create a gooey center.
2. How do you keep brownies fudgy?
Store them in an airtight container and avoid overbaking. Adding a slice of bread to the container can help retain moisture.
3. What is the difference between a fudge and a brownie?
Fudge is denser and more chocolatey, while brownies contain flour and eggs for structure, making them slightly more cake-like.
4. What happens when you add an extra egg to brownie mix?
Adding an extra egg makes the brownies softer and more cake-like. For fudgy brownies, stick to the recommended egg count.
Conclusion
This fudgy cake crumb brownie recipe is the perfect solution for chocolate lovers who crave a dense, moist, and intensely flavorful dessert. With a simple list of ingredients and easy-to-follow steps, you’ll be able to whip up a batch of decadent brownies in no time. Whether you enjoy them on their own, topped with ice cream, or paired with a cup of coffee, these brownies are sure to be a hit. Try them today and indulge in pure chocolate bliss!
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