Effortless Fudgy Cake Mix Brownies: Your Ultimate 5-Ingredient, 5-Minute Prep Recipe
Craving rich, decadent brownies but short on time or don’t have a dedicated brownie mix? Look no further! These incredibly easy and fudgy Cake Mix Brownies are your perfect solution. Requiring just 5 simple ingredients and a mere 5 minutes of prep time, you’ll be enjoying warm, gooey brownies in no time. This recipe is a true game-changer for anyone seeking a quick, delicious, and satisfying chocolatey treat!

Cake Mix Brownies: A Dessert Game-Changer for Quick & Yummy Treats!
These rich and profoundly chocolatey brownies are an astonishingly simple dessert that you can whip together in a matter of minutes. The best part? You don’t even need a special brownie mix! If your pantry is stocked with a box of cake mix, you’re halfway to baking up a batch of these irresistible treats.
Cake mix recipes are a beloved staple in many households, including ours, for a very good reason. They are incredible time-savers, allowing you to create delicious desserts in a fraction of the time it would take to bake from scratch. These cake mix brownies are absolutely perfect for those moments when a sudden brownie craving hits, but you lack the traditional brownie mix or simply don’t have the luxury of time for extensive baking.
This particular recipe leverages the power of dark chocolate fudge cake mix, transforming it into a brownie that boasts an intense, deep chocolate flavor and a wonderfully fudgy texture. The results are so good, your family and friends will swear they’re from a gourmet bakery!

Essential Ingredients & Key Notes for Perfect Cake Mix Brownies
You’ll be amazed at how few ingredients are required to create such a delicious dessert. Here’s what you’ll need, along with some helpful tips:
- Chocolate Cake Mix (15 oz box): This is your star ingredient! While any chocolate cake mix works, we highly recommend a dark chocolate fudge or devil’s food cake mix for the richest, most intense chocolate flavor and that irresistible fudgy texture. The type of cake mix significantly impacts the brownie’s final taste and chewiness, so choose wisely for your desired outcome.
- Oil (1/2 cup): Olive oil or vegetable oil are excellent choices as neutral cooking oils. The oil is crucial for achieving that characteristic fudgy chewiness in brownies. You can also use canola oil or any other mild-flavored oil you have on hand. Unlike butter, oil ensures a consistently moist and dense brownie.
- Eggs (2 large): Eggs act as a binder, helping to structure the brownies and contribute to their rich texture. They also add moisture and a slight lift, preventing the brownies from being too dense. Ensure your eggs are at room temperature for better incorporation into the batter.
- Vanilla Extract (1 tablespoon): While often overlooked, vanilla extract is a secret weapon in chocolate desserts. It doesn’t make the brownies taste like vanilla; instead, it amplifies and enhances the chocolate flavor, making it taste even richer and more complex. Don’t skip it!
- Chocolate Chips (1 cup): These are optional but highly recommended for an extra burst of chocolatey goodness and delightful pockets of melted chocolate. Feel free to get creative here! Mix and match different types of chocolate chips – semi-sweet, milk chocolate, dark chocolate, white chocolate, or even peanut butter chips – to create unique flavor combinations tailored to your preference.

While the joy of baking a dessert entirely from scratch is undeniable, there are countless occasions when life calls for those quick and fast recipes. This cake mix brownie recipe is exactly that: a convenient baking hack that delivers a spectacular treat without the fuss. It’s perfect for busy weeknights, impromptu gatherings, or simply when you need a chocolate fix without a lengthy baking session!

Effortless Execution: How to Make Fudgy Brownies from Cake Mix
Creating these brownies is incredibly straightforward. Follow these simple steps for perfectly fudgy results every time:
Step 1: Combine All Ingredients
In a large mixing bowl, add your chosen chocolate fudge cake mix, the oil, eggs, vanilla extract, and the chocolate chips. Using a sturdy rubber spatula or a wooden spoon, gently mix the batter until all ingredients are just combined. Be careful not to overmix; overmixing can lead to tough brownies. A few lumps are perfectly fine and will bake out beautifully.


For this specific recipe, I personally opted for Duncan Hines Dark Chocolate Fudge cake mix, and it delivered an incredibly rich and satisfying brownie. However, don’t feel limited! Any standard chocolate cake mix will work wonders, so use your favorite brand or whatever you have readily available.

Step 2: Prepare and Fill the Baking Dish
Thoroughly spray an 8×8-inch baking dish with cooking spray. For even easier removal and clean-up, you can also line the dish with parchment paper, leaving an overhang on two sides to create “handles.” Once prepared, carefully transfer the thick brownie batter into the dish. Use your rubber spatula to gently press the batter down into the edges, ensuring it’s spread evenly across the entire pan and flattening out any visible lumps. This ensures a consistent bake and uniformly sized brownies.


Step 3: Bake to Perfection & Cool
Preheat your oven to 350°F (175°C). Once hot, place the baking dish in the oven and bake for approximately 20-25 minutes. To check for doneness, insert a toothpick into the center of the brownies. If it comes out clean or with moist crumbs (not wet batter), they are ready. Be careful not to overbake, as this can lead to dry brownies rather than fudgy ones. My brownies were perfectly done right at the 25-minute mark, offering that ideal balance of fudginess and set edges.
For the absolute best results and cleanest cuts, allow the brownies to cool completely in the pan before attempting to slice them. This patience allows the brownies to set fully, making them less crumbly and much easier to handle. However, if you’re like me and can’t resist the allure of warm, fresh-baked brownies, waiting is often the hardest part! Just be prepared for slightly messier, but equally delicious, slices.
Tips for Baking the BEST Cake Mix Brownies
- Don’t Overmix: As with most baked goods, especially brownies, overmixing can develop the gluten in the flour, resulting in a tougher, more cake-like texture instead of the desired fudgy consistency. Mix just until combined.
- Quality Ingredients: While a cake mix is a shortcut, using a good quality chocolate cake mix (like a fudge or devil’s food variety) and good chocolate chips will elevate the flavor significantly.
- Baking Pan Size: An 8×8 inch pan is ideal for thicker, fudgier brownies. A larger pan (e.g., 9×13 inch) will result in thinner brownies and will require a shorter baking time, so adjust accordingly.
- Cool Completely (If You Can!): This tip is worth repeating. Cooling allows the brownies to firm up and fully set, leading to cleaner cuts and a more satisfying texture. Pop them in the fridge for 30 minutes for super-clean squares!
- Customize Your Mix-ins: Don’t stop at just semi-sweet chocolate chips! This recipe is incredibly versatile.

Irresistible Variations & Toppings for Your Cake Mix Brownies
The beauty of these cake mix brownies lies not only in their simplicity but also in their incredible adaptability. While they are perfectly delicious on their own, a few simple additions can transform them into an even more spectacular dessert. Get creative and make them your own!
Popular Mix-Ins:
- Nuts: Fold in 1/2 to 1 cup of chopped walnuts, pecans, or almonds for added crunch and a nutty flavor that pairs wonderfully with chocolate.
- Different Chocolate Chips: Experiment with white chocolate chips, milk chocolate chips, butterscotch chips, or even a combination for a multi-layered chocolate experience.
- Candy Pieces: Crush up some M&Ms, Oreos, or your favorite candy bar and fold them into the batter for a fun, colorful, and extra indulgent treat.
- Espresso Powder: For a deeper, more intense chocolate flavor (without making it taste like coffee), add 1-2 teaspoons of instant espresso powder to the mix. It truly enhances the chocolate!
- Swirls: Before baking, dollop spoonfuls of peanut butter or cream cheese frosting mixture on top of the batter and swirl with a knife for a marbled effect and added flavor dimensions.
Delicious Toppings & Serving Suggestions:
- Ice Cream: Serve warm brownies with a scoop of vanilla bean ice cream or your favorite flavor. The contrast of hot and cold is divine!
- Sauces: Drizzle with chocolate syrup, caramel sauce, or a raspberry coulis.
- Whipped Cream: A dollop of fresh whipped cream adds a light and airy touch.
- Powdered Sugar: A simple dusting of powdered sugar makes for an elegant presentation.
- Sea Salt: A sprinkle of flaky sea salt on top enhances the chocolate flavor and adds a touch of gourmet sophistication.
These cake mix brownies are ideal for sharing at parties, surprising friends and neighbors, or simply treating yourself when you deserve a moment of pure indulgence. Once you try them, you’re going to fall in love with their ease and incredible taste!

Storage and Make-Ahead Tips
These brownies are fantastic fresh out of the oven, but they also store beautifully, making them perfect for meal prep or enjoying throughout the week.
- Room Temperature: Store cooled brownies in an airtight container at room temperature for up to 3-4 days. For optimal freshness, place a slice of bread in the container to keep them moist (the brownies will absorb moisture from the bread).
- Refrigeration: If you prefer a chewier, denser brownie, or if your kitchen is particularly warm, you can store them in an airtight container in the refrigerator for up to a week. Bring them to room temperature or warm slightly before serving.
- Freezing: For longer storage, wrap individual brownies tightly in plastic wrap, then place them in a freezer-safe bag or container. They can be frozen for up to 2-3 months. Thaw at room temperature or gently reheat in the microwave.
Having a batch of these cake mix brownies on hand means you’re always ready for a sweet craving or an unexpected guest!
Explore More Easy Cake Mix Recipes!
If you’ve loved the simplicity and deliciousness of these cake mix brownies, you’re in for a treat! The world of cake mix baking is full of quick and delightful recipes. Here are some of our other reader favorites that you absolutely must try:
- Cake Mix Blueberry Muffins: Fluffy muffins bursting with sweet blueberries, a perfect breakfast or snack.
- Yellow Cake Mix Cookies: Classic, chewy chocolate chip cookies with an irresistible cake-like softness.
- Cake Mix Banana Muffins: A quick way to use ripe bananas, resulting in moist and flavorful muffins.
- Chocolate Cake Mix Cookies: Double the chocolate, double the fun! Rich and chewy cookies for true chocolate lovers.
- Cake Mix Cookie Bars: An easy, sliceable dessert that’s great for parties and potlucks.
- Cake Mix Banana Bread: Take your banana bread to the next level of ease and moisture.
- Cake Mix Pumpkin Muffins: A seasonal delight, perfect for fall flavors with minimal effort.
- Cake Mix Snickerdoodles: Soft, chewy cookies rolled in cinnamon sugar, made simple with a cake mix base.
- Cake Mix Sugar Cookies: Delightfully easy and customizable sugar cookies, great for decorating.

These cake mix brownies are undeniably a reader favorite! Don’t just take our word for it; read one of the many glowing reviews from satisfied bakers, just like you, who have tried and loved this simple recipe:
“These brownies come out super good are nice and thick and taste homemade. Followed recipe exactly. Two thumbs up from entire family” -Carol


Cake Mix Brownies
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Ingredients
- 15 oz box chocolate cake mix, I used Duncan Hines Dark Chocolate Fudge
- 1/2 cup oil , olive oil or vegetable oil
- 2 eggs
- 1 tablespoon vanilla extract
- 1 cup semi sweet chocolate chips
Instructions
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Add the chocolate cake mix, oil, eggs, vanilla extract, and semi sweet chocolate chips to a bowl and use a rubber spatula to mix until well combined. Do not overmix; a few lumps are fine.
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Transfer the cake mix brownie batter to a greased 8×8 inch baking dish (lined with parchment paper for easier removal, if desired). Flatten down the batter into the pan using the rubber spatula, ensuring it’s evenly spread.
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Bake the brownies at 350 degrees F (175 C) for 20 – 25 minutes, or until a toothpick inserted into the center comes out clean or with moist crumbs (mine were perfect right at 25 minutes).
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For the best results and cleanest slices, allow the cake mix brownies to cool completely in the pan before cutting.
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