Brownie Mix Double Fudge Bars

Highlighted under: Sugar Rush Kitchen

I absolutely love making Brownie Mix Double Fudge Bars because they are incredibly easy and satisfyingly indulgent. Using a brownie mix simplifies the process while still delivering rich chocolate flavor. The addition of extra chocolate and nuts creates a truly decadent treat that everyone will enjoy. Perfect for gatherings or a cozy night in, these bars come together in no time and are sure to please. I always keep a batch on hand for unexpected guests or when I just crave something sweet!

Blair Hudson

Created by

Blair Hudson

Last updated on 2026-02-23T23:28:46.120Z

When I first tried making Brownie Mix Double Fudge Bars, I was amazed at how simple they were to prepare. All you really need is a quality brownie mix and a few extra ingredients. The first time I made them, I added a sprinkle of sea salt on top, and the contrast of flavors was divine!

Over the years, I've played with various mix-ins, like nuts and chocolate chips, elevating the bars even further. If you're looking for something special for your next gathering, these bars never disappoint and always receive compliments!

Why You Will Love This Recipe

  • Rich chocolate flavor paired with fresh orange zest
  • Creamy texture that melts in your mouth
  • Perfect for celebrations or as a sweet indulgence

The Importance of Using a Brownie Mix

Using a store-bought brownie mix as a base for these Double Fudge Bars not only simplifies the preparation but also guarantees a consistent result. Brownie mixes are designed to have the perfect balance of cocoa powder, sugar, and leavening agents, which saves you from the hassle of measuring and mixing each ingredient individually. This ensures the bars will turn out moist and chewy, while still allowing you the opportunity to customize with your favorite add-ins.

Additionally, brownie mixes often contain stabilizers that help maintain the texture of the bars, preventing them from becoming too crumbly. This is particularly beneficial when baking for a crowd, as you can rely on the mix to create bars that slice neatly and hold their shape, making them ideal for potlucks or parties.

Perfect Your Fudgy Texture

To achieve the ultimate fudgy texture in these bars, it’s crucial not to overbake them. I recommend checking for doneness a few minutes early; the bars are done when the edges look set and the center appears slightly soft. A toothpick should come out with a few moist crumbs, which indicates that they will continue to set as they cool, contributing to a soft and rich interior.

Incorporating cocoa powder adds to the chocolate intensity while enhancing the fudginess. However, if you prefer a lighter texture, consider reducing the cocoa powder and chocolate chips slightly. Adjusting these ingredients can allow for variations in flavor while still achieving a delightful brownie experience.

Storage and Serving Suggestions

These Brownie Mix Double Fudge Bars can be stored in an airtight container at room temperature for up to five days or refrigerated for about a week. If you're looking to preserve their freshness longer, you can freeze them for up to three months. To freeze, wrap each bar tightly in plastic wrap and place them in a freezer-safe bag. Thaw them in the refrigerator or at room temperature before enjoying.

For serving, you can elevate these bars by drizzling them with melted chocolate or caramel sauce, and a sprinkle of sea salt on top for a gourmet touch. Pairing them with a scoop of vanilla ice cream makes for an indulgent dessert that contrasts perfectly with the rich fudginess of the bars.

Ingredients

Ingredients

For the Bars

  • 1 box brownie mix (family size)
  • 1/2 cup vegetable oil
  • 4 large eggs
  • 1 cup semi-sweet chocolate chips
  • 1/2 cup chopped walnuts (optional)
  • 1/4 cup cocoa powder

Mix all the ingredients together until well combined. Bake for best results!

Instructions

Instructions

Preheat the Oven

Preheat your oven to 350°F (175°C) and grease a 9x13 inch baking dish.

Mix the Ingredients

In a large bowl, combine the brownie mix, vegetable oil, and eggs. Stir until smooth, then fold in the chocolate chips and walnuts if using.

Add Cocoa Powder

Stir in the cocoa powder for an extra fudgy texture.

Pour into the Baking Dish

Spread the mixture evenly into the prepared baking dish.

Bake

Bake in the preheated oven for about 25 minutes or until a toothpick inserted in the center comes out with moist crumbs.

Cool and Serve

Allow to cool in the pan before cutting into bars. Enjoy your delicious fudge bars!

Ensure to let the bars cool completely for the best cutting results!

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Pro Tips

  • For an extra touch, try drizzling melted chocolate over the cooled bars before serving!

Common Troubleshooting Tips

If your brownie bars come out too cakey, it may be due to overmixing the batter or baking them for too long. Take care to mix just until combined and keep an eye on them as they bake. Each oven varies, so if it’s your first time making these, start checking a few minutes early.

On the flip side, if they are too gooey in the center, consider adjusting the baking time next time or checking your oven temperature with an oven thermometer. Variations in home ovens can sometimes lead to incomplete baking.

Flavor Variations

Feel free to play with the flavor profile of these brownies! You could swap out the walnuts for pecans, or even use crushed Oreo cookies for an extra crunch. To make them a bit more sophisticated, consider adding a tablespoon of instant espresso powder to enhance the chocolate flavor significantly.

For a festive touch, fold in seasonal ingredients like peppermint chips during the holidays, or sprinkle with shredded coconut for a tropical variation. These small tweaks can transform each batch into something new and exciting.

Questions About Recipes

→ Can I use a different brownie mix?

Yes, any standard brownie mix should work well for this recipe!

→ How long can I store these bars?

You can store them in an airtight container at room temperature for up to 5 days.

→ Can I freeze the Brownie Mix Double Fudge Bars?

Absolutely! You can freeze the bars for up to 3 months. Just make sure to wrap them tightly.

→ What can I substitute for eggs?

You can use unsweetened applesauce or silken tofu as an egg substitute in this recipe.

Brownie Mix Double Fudge Bars

I absolutely love making Brownie Mix Double Fudge Bars because they are incredibly easy and satisfyingly indulgent. Using a brownie mix simplifies the process while still delivering rich chocolate flavor. The addition of extra chocolate and nuts creates a truly decadent treat that everyone will enjoy. Perfect for gatherings or a cozy night in, these bars come together in no time and are sure to please. I always keep a batch on hand for unexpected guests or when I just crave something sweet!

Prep Time10 minutes
Cooking Duration25 minutes
Overall Time35 minutes

Created by: Blair Hudson

Recipe Type: Sugar Rush Kitchen

Skill Level: Beginner

Final Quantity: 16 bars

What You'll Need

For the Bars

  1. 1 box brownie mix (family size)
  2. 1/2 cup vegetable oil
  3. 4 large eggs
  4. 1 cup semi-sweet chocolate chips
  5. 1/2 cup chopped walnuts (optional)
  6. 1/4 cup cocoa powder

How-To Steps

Step 01

Preheat your oven to 350°F (175°C) and grease a 9x13 inch baking dish.

Step 02

In a large bowl, combine the brownie mix, vegetable oil, and eggs. Stir until smooth, then fold in the chocolate chips and walnuts if using.

Step 03

Stir in the cocoa powder for an extra fudgy texture.

Step 04

Spread the mixture evenly into the prepared baking dish.

Step 05

Bake in the preheated oven for about 25 minutes or until a toothpick inserted in the center comes out with moist crumbs.

Step 06

Allow to cool in the pan before cutting into bars. Enjoy your delicious fudge bars!

Extra Tips

  1. For an extra touch, try drizzling melted chocolate over the cooled bars before serving!

Nutritional Breakdown (Per Serving)

  • Calories: 380 kcal
  • Total Fat: 26g
  • Saturated Fat: 15g
  • Cholesterol: 195mg
  • Sodium: 85mg
  • Total Carbohydrates: 32g
  • Dietary Fiber: 3g
  • Sugars: 24g
  • Protein: 6g