Brownie Mix Double Fudge Bars

Name: Brownie Mix Double Fudge Bars
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 12 bars
Ingredients: 1 box of brownie mix; 1/2 cup vegetable oil; 2 large eggs; 1 cup semi-sweet chocolate chips; 1/2 cup chocolate fudge sauce

Highlighted under: Simple Sweet Baking

I love whipping up a batch of Brownie Mix Double Fudge Bars whenever I'm in the mood for a rich and chocolaty treat. These bars are incredibly easy to make since they start with a brownie mix, and they get a decadent upgrade with extra fudge and chocolate chips. Each bite is an indulgent experience that satisfies my sweet tooth, and they’re perfect for sharing at parties or enjoying on a cozy weekend. Trust me, once you try these, you’ll want to make them again and again!

Created by

Autumn Pierce

Last updated on 2026-02-24T00:25:37.748Z

When I was first experimenting with brownie mixes, I found that adding an extra layer of fudge makes all the difference. The gooey consistency creates a captivating contrast with the cake-like texture of the brownies. I decided to make these double fudge bars after a long week, and they were a hit with my friends, too!

The real secret lies in the chocolate chips. Instead of just sprinkling them on top, mixing them into the batter results in bursts of chocolatey goodness in every bite. Remember to let them cool completely before cutting to achieve perfect squares!

Why You'll Love These Bars
Rich, fudgy brownie base topped with gooey chocolate layers
Quick and easy to prepare – perfect for last-minute cravings
Delectable flavor that pairs wonderfully with ice cream

The Role of Ingredients

Each ingredient in these Brownie Mix Double Fudge Bars plays a pivotal role in achieving that perfect fudgy texture. The boxed brownie mix provides a convenient base that includes the necessary cocoa, sugar, and leavening agents, ensuring a balanced flavor profile without the need to measure each component separately. The addition of vegetable oil adds moisture to the bars, preventing them from becoming dry and crumbly during baking.

Semi-sweet chocolate chips not only enhance the overall chocolate flavor but also contribute to the rich, gooey texture in every bite. Opting for high-quality chocolate chips is crucial, as they melt beautifully and create delightful pockets of chocolate throughout the bars. This can elevate the taste dramatically, so don't skimp here; choose a brand you love!

Baking Tips for Perfection

To ensure your Brownie Mix Double Fudge Bars come out perfectly, monitor the baking time closely. For a fudgy texture, bake them until a toothpick inserted in the center comes out with moist crumbs rather than completely clean. This usually takes about 30 minutes in a preheated 350°F (175°C) oven, but every oven can vary slightly. If you notice the edges browning significantly before the center is done, consider rotating your pan halfway through the baking time.

Allowing the brownies to cool completely in the pan is essential for achieving clean cuts. If you're in a rush, placing the pan in the refrigerator for about 15 minutes can help firm them up. This technique not only enhances texture but also makes it easier to remove and serve without them falling apart.

Ingredients

Gather your ingredients to get started!

For the Brownie Bars

1 box of brownie mix
1/2 cup vegetable oil
2 large eggs
1 cup semi-sweet chocolate chips
1/2 cup chocolate fudge sauce

Make sure all ingredients are at room temperature for best results.

Instructions

Follow these simple steps to achieve the perfect fudgy bars!

Preheat Oven and Prepare Pan

Preheat your oven to 350°F (175°C). Grease a 9x9 inch baking pan or line it with parchment paper for easy removal.

Mix Ingredients

In a large bowl, combine the brownie mix, vegetable oil, and eggs. Stir until well blended. Fold in the semi-sweet chocolate chips.

Add Fudge Sauce

Pour half of the brownie batter into the prepared pan and spread evenly. Drizzle half of the chocolate fudge sauce over the batter. Then, pour the remaining brownie batter on top and finish with the rest of the fudge sauce.

Bake

Bake in the preheated oven for 30 minutes, or until a toothpick inserted comes out with moist crumbs.

Cool and Serve

Allow the brownies to cool completely in the pan before cutting into squares. Serve and enjoy!

These bars are best enjoyed fresh but can be stored in an airtight container for up to a week.

Pro Tips

For an extra special touch, sprinkle sea salt over the top before serving to intensify the chocolate flavor.

Serving Suggestions

These Brownie Mix Double Fudge Bars make a fantastic dessert when paired with a scoop of vanilla ice cream or a dollop of whipped cream. The contrast between the warm, fudgy bars and the cold ice cream is heavenly. You can also drizzle a little extra chocolate fudge sauce on top for that added touch of indulgence, making it a great centerpiece for dessert tables at gatherings.

For a more decadent experience, consider adding a sprinkle of sea salt on top before serving. This enhances the chocolate flavor and adds a delightful contrast to the sweetness, making the bars even more irresistible.

Storage and Make-Ahead Tips

If you have leftovers (though they might not last long!), store the brownies in an airtight container at room temperature for up to 3 days. For longer storage, you can keep them in the fridge for up to a week. Just make sure to layer parchment paper between the bars to prevent them from sticking together.

These brownies also freeze exceptionally well. Individually wrap them in plastic wrap and then in foil for up to 3 months. When you're ready to enjoy, let them thaw at room temperature or microwave for a few seconds to regain their fudginess without baking again.

Questions About Recipes

→ Can I use a different type of brownie mix?

Absolutely! You can use any brownie mix, just adjust the baking time if needed.

→ How can I store the leftover bars?

Store the bars in an airtight container at room temperature for up to a week.

→ Can I add nuts or other mix-ins?

Yes, feel free to add walnuts, pecans, or other chocolate chunks to enhance the texture!

→ What should I serve with these brownies?

These bars pair wonderfully with a scoop of vanilla ice cream or a dollop of whipped cream.