Copycat Rainbow Chip Fudge Brownies Recipe

I never thought I’d find a fudge brownie recipe easier than this, especially one bursting with the playful charm of rainbow chips and the deep richness of bittersweet ganache. Just imagine slicing into a glossy, chocolatey square topped with colorful candy-coated chips that bring a festive pop to every bite. These Copycat Rainbow Chip Fudge Brownies offer a delightful blend of indulgence and whimsy, perfect for sharing or treating yourself after a long day.

Why You’ll Love This Copycat Rainbow Chip Fudge Brownies Recipe

• Decadent Flavor: The combination of rich dark chocolate brownie mix and a silky bittersweet ganache topping creates layers of luscious chocolate that melt in your mouth.
• Simple Ingredients: Made with familiar pantry staples like Betty Crocker™ Dark Chocolate Brownie Mix, eggs, butter, and a handful of colorful rainbow candy-coated chocolate chips, making it approachable and convenient.
• Perfect Occasion Treat: Whether it’s a birthday party, holiday gathering, or just a weekend indulgence, these brownies add a whimsical, joyful touch.
• Impressive Presentation: The shiny ganache crowned with vibrant rainbow chips creates an eye-catching dessert that looks professionally made without the fuss.
• Customizable Toppings: Swap the rainbow chips for nuts or other candies if you like, tailoring the recipe to your favorite textures and flavors.

Why This Copycat Rainbow Chip Fudge Brownies Recipe Works

This recipe brings success through its straightforward baking method paired with a luscious ganache finish. Starting with a trusted brownie mix ensures reliably moist and fudgy brownies, while the addition of melted butter and vegetable oil elevates the texture for richness. The secret to that beautiful, glossy ganache lies in gently heating heavy cream before pouring it over finely chopped bittersweet chocolate—stirring patiently until it transforms into a smooth, velvety topping. Then, the colorful candy-coated chips seal the deal, adding delightful bursts of sweetness and crunch. Together, these steps yield a dessert that’s both stunning and scrumptious.

Ingredients You’ll Need

Gather the essentials that make these brownies truly special: familiar baking staples enriched with decadent chocolate and finished with a playful sprinkle of color.

• 1 box Betty Crocker™ Dark Chocolate Brownie Mix: A reliable base providing rich chocolate flavor and perfect fudgy texture.
• 1/2 cup salted butter, melted: Adds deep creaminess and helps create a tender crumb.
• 2 tablespoons vegetable oil: Enhances moisture and chewiness in the brownies.
• 2 large eggs: Bind the ingredients and promote a smooth, luscious batter.
• 8 oz bittersweet baking chocolate, roughly chopped: The star ingredient for a glossy and rich ganache topping.
• 1/2 cup heavy cream: Heats up to melt the chocolate into a smooth ganache.
• 1/4 cup rainbow candy-coated chocolate chips: Rainbow-hued little bursts of fun that crown the dessert with color and crunch.

Ingredient Substitutions & Tips

• Butter: You can substitute unsalted butter if preferred—just add a pinch of salt to balance flavors.
• Vegetable oil: Light olive oil or melted coconut oil make great alternatives to maintain richness and moistness.
• Bittersweet chocolate: Semi-sweet chocolate chips or dark chocolate bars can be swapped in, but bittersweet gives the richest, less sweet ganache.
• Rainbow chips: Feel free to use white chocolate chips or even chopped nuts if you want a different texture contrast.

How to Make Copycat Rainbow Chip Fudge Brownies Recipe

Step 1: Prepare the Oven and Pan

Heating your oven to a steady 350°F sets the stage for perfect brownies. Greasing the bottom of a 9-inch square pan or lining it with parchment paper ensures your brownies won’t stick, making cleanup a breeze.

💡 Pro Tip: If you line the pan, allow some overhang of parchment for easy removal of the whole brownie slab.

Step 2: Mix the Brownie Batter

In a large bowl, blend the brownie mix with melted butter, vegetable oil, and eggs. Stir just until everything comes together into a uniform batter—don’t overmix, or the brownies might get tough.

💡 Pro Tip: Use a rubber spatula for gentle folding to keep the batter light and tender.

Step 3: Bake the Brownies

Pour your luscious batter evenly into the prepared pan, observing it spread out like a chocolate canvas. Slide it into the oven and bake for between 28 and 32 minutes, keeping a close watch for when a toothpick poked into the center is almost clean, with just a few moist crumbs clinging.

💡 Pro Tip: Start checking at 28 minutes to capture that ideal fudgy texture—overbaked brownies become cakey.

Step 4: Make the Ganache

While your brownies cool completely in the pan, take a moment to prepare the ganache. Place those chopped bittersweet chocolate pieces in a heatproof bowl. Heat the heavy cream in the microwave for about 45 to 60 seconds until steaming hot but not boiling, then pour it over the chocolate. Let it sit quietly for a couple of minutes, then stir gently until it becomes an irresistibly smooth and glossy mixture.

💡 Pro Tip: Stir slowly in one direction for a silky finish without streaks.

Step 5: Top with Ganache and Rainbow Chips

Pour this velvety ganache over your now-cooled brownies, spreading it evenly like a rich, shiny blanket. Immediately sprinkle the rainbow candy-coated chocolate chips over the top—their colors will stick and shine, promising fun in every slice.

💡 Pro Tip: Press the chips lightly into the ganache to keep them from falling off when serving.

Step 6: Set and Serve

Patience is the final ingredient—let your brownies stand at room temperature for about an hour. This resting period gives the ganache time to set to its perfect luscious firmness. Then cut into inviting squares and enjoy every colorful, fudge-filled bite.

💡 Pro Tip: Use a hot knife (run under warm water and dry) for clean slices.

Common Mistakes to Avoid

Learn from these common pitfalls to make your brownies flawless every time:

• Overbaking: Baking brownies too long leads to dry, crumbly texture—aim for moist crumbs on a toothpick test.
• Adding ganache too soon: Pouring ganache over warm brownies causes it to melt and slide off; wait until fully cooled.
• Boiling the cream: Overheated cream can seize the chocolate in ganache and ruin its smoothness.
• Skipping parchment lining: Without it, brownies might stick hard and break apart when slicing.
• Uneven spreading of batter: This can result in brownies baking unevenly—take a moment to smooth the surface well.
• Heavy-handed mixing: Overmixing the batter can toughen the brownies by activating gluten.

Delicious Variations to Try

Once you’ve mastered these classic Copycat Rainbow Chip Fudge Brownies, feel free to explore fun twists to keep dessert night exciting.

Mint Chocolate Chip

Try swapping rainbow chips for mini mint chocolate chips and add a drop of peppermint extract to the ganache for a refreshing holiday spin.

Nutty Delight

Incorporate chopped toasted walnuts or pecans right into the batter and sprinkle some on top of the ganache for crunch and warmth.

Peanut Butter Swirl

Add dollops of creamy peanut butter onto the brownie batter before baking and swirl it in for a luscious combination of flavors.

Salted Caramel Drizzle

Drizzle homemade or store-bought salted caramel sauce over the ganache before adding the rainbow chips for a sweet-salty sensation.

White Chocolate Chips Twist

Replace rainbow chips with white chocolate chips for a more subtle contrast, letting the ganache’s bittersweet notes shine.

How to Serve Copycat Rainbow Chip Fudge Brownies Recipe

Garnishes

Sprinkle extra rainbow chips or dust lightly with powdered sugar just before serving. A fresh mint leaf on each square adds a refreshing pop of green contrast.

Side Dishes

Pair these rich brownies with a scoop of vanilla bean ice cream or a dollop of freshly whipped cream to balance the intensity of chocolate and add a cooling element.

Creative Ways to Present

Serve brownies on a colorful platter to echo the gaiety of the rainbow chips, or cut into bite-sized squares for a party platter where guests can sample without guilt. Wrapping individual pieces in parchment makes for charming take-home treats.

Make Ahead and Storage

Make-Ahead Instructions

You can bake the brownie base a day ahead and keep it covered at room temperature. Prepare and store the ganache separately in the refrigerator, then combine right before serving for the freshest glossy finish.

Storage

Store these brownies in an airtight container at room temperature for up to 3 days, or refrigerate for up to a week to keep the ganache firm.

Freezing

Yes, these brownies freeze beautifully! Wrap individual squares tightly and freeze for up to 3 months. Thaw overnight in the fridge before serving.

Reheating

Warm brownies briefly in a microwave for 10-15 seconds to soften slightly before serving, but be careful not to melt the ganache.

Expert Tips for Success

Use high-quality chocolate: The ganache’s flavor depends entirely on the chocolate you select, so pick a good bittersweet variety.

Room temperature ingredients: Keep eggs and butter at room temp to blend smoothly and create the best batter texture.

Even batter spread: Ensure the batter is level in the pan for uniform baking and consistent fudginess throughout.

Let ganache set fully: Patience really pays off to achieve that perfect glossy finish that slices cleanly.

Use a serrated knife for cutting: It helps keep the ganache intact without dragging or cracking.

Don’t skip the rainbow chips: They brighten up the look and add a fun candy crunch every bite deserves.

Cool brownies completely: This is key to prevent your ganache from melting and getting dull.

Frequently Asked Questions

Can I use a different brownie mix?

Absolutely! Any quality dark chocolate brownie mix will work, but Betty Crocker™ offers excellent consistency that this recipe leverages.

Can I make these gluten-free?

If you use a gluten-free brownie mix, this recipe can easily be adapted for gluten sensitivity.

What if I don’t have a microwave for the ganache?

You can gently heat the cream on the stovetop just until steaming and then pour over chopped chocolate as directed.

Can I add nuts inside the brownies?

Yes! Chopped walnuts or pecans can be stirred into the batter to add crunch inside the fudgy treat.

How long do these brownies keep?

Stored airtight, they keep fresh for about 3 days at room temperature or up to a week in the fridge.

Can I double this recipe?

Definitely—use a larger baking pan and increase baking time slightly, testing for doneness with a toothpick as usual.

Is there a vegan option?

This recipe calls for eggs and dairy, but vegan substitutions like flax eggs and plant-based cream could be experimented with, though results may vary.

Final Thoughts

Sharing this Copycat Rainbow Chip Fudge Brownies Recipe feels like passing down a joyful secret—rich, fudgy brownies perfectly coated with glossy ganache and topped with playful candy colors. They’re more than just a dessert; they’re little moments of happiness wrapped in chocolate. So gather your ingredients, enjoy the process, and get ready to savor every deliciously colorful bite with friends, family, or just yourself. It’s comfort and celebration all in one!

Copycat Rainbow Chip Fudge Brownies Recipe

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These Copycat Rainbow Chip Fudge Brownies combine rich, dark chocolate brownie base with a luscious ganache topping sprinkled with colorful rainbow candy-coated chocolate chips, making a delightful treat perfect for any occasion.

• Author: Mari
• Prep Time: 15 minutes
• Cook Time: 32 minutes
• Total Time: 1 hour 47 minutes
• Yield: 16 servings 1x
• Category: Dessert
• Method: Baking
• Cuisine: American
• Diet: Vegetarian

Ingredients

Scale 1x2x3x

Brownie

• 1 box Betty Crocker™ Dark Chocolate Brownie Mix
• 1/2 cup salted butter, melted
• 2 tablespoons vegetable oil
• 2 large eggs

Ganache and Topping

• 8 oz bittersweet baking chocolate, roughly chopped
• 1/2 cup heavy cream
• 1/4 cup rainbow candy-coated chocolate chips

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Instructions

1. Prepare the Pan: Heat oven to 350°F. Lightly grease bottom of a 9-inch square baking pan or line with parchment paper.
2. Make the Batter: In a large bowl, combine brownie mix, melted butter, vegetable oil, and eggs. Stir until well blended.
3. Bake Brownies: Pour the batter into the prepared pan and spread evenly. Bake 28 to 32 minutes or until a toothpick inserted near the center comes out with just a few moist crumbs attached. Let the brownies cool completely in the pan.
4. Make Ganache: While the brownies cool, make the ganache. Place chopped chocolate in a medium heat-safe bowl. Heat 1/2 cup heavy cream in the microwave on high for 45 to 60 seconds or until steaming, but not boiling. Pour the hot cream over chopped chocolate. Let sit for 1 to 2 minutes, then stir until smooth and glossy.
5. Top Brownies: Pour the ganache over the cooled brownies and spread evenly over top with a spatula. Immediately top with rainbow candy-coated chocolate chips.
6. Set Ganache and Serve: Let brownies stand at room temperature for about an hour to allow the ganache to set. Slice into squares and serve.

Notes

• Let the brownies cool completely before pouring the ganache to ensure a smooth topping.
• Use a spatula to spread ganache evenly for best coverage.
• Allow ganache to set at room temperature for about an hour for optimal texture.