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If you’re looking for a fun, festive treat that captures the spooky spirit of October while delivering a perfect blend of flavors and textures, this Halloween Oreo Cake Bars Recipe is your new best friend. Imagine soft, buttery cake layers bursting with crunchy Halloween Oreos, vibrant candy corn, and a drizzle of sweetened condensed milk, all topped with melty white chocolate chips and festive sprinkles. It’s the kind of dessert that feels like a warm hug on a crisp autumn day, and it’s guaranteed to be a showstopper at any Halloween celebration.

Ingredients You’ll Need
These ingredients are delightfully simple but each plays a crucial role in bringing this dessert to life. From the buttery richness of the cake base to the festive pops of candy corn and Oreos, every component works together to create both amazing taste and texture.
- Yellow cake mix: The foundation of our bars, it ensures a soft and moist texture that’s easy to work with.
- Unsalted butter: Melted to add richness and help the cake mix bind perfectly.
- Large eggs: These add structure and moisture, making every bite wonderfully tender.
- Halloween Oreo cookies: Chopped for bursts of chocolatey crunch that make this recipe uniquely festive.
- Candy corn: Adds a sweet, chewy texture and pops of classic Halloween color.
- Orange and black sprinkles: For that extra dash of spooky fun and visual appeal.
- Sweetened condensed milk: Poured over the top to create a gooey, caramel-like finish that ties everything together.
- White chocolate chips: Sprinkled on top to melt into sweet, creamy pockets throughout the bars.
How to Make Halloween Oreo Cake Bars Recipe
Step 1: Prepare Your Pan and Oven
Start by preheating your oven to 350°F (175°C). Then line a 9×13-inch baking pan with parchment paper or lightly grease it to ensure those bars come out clean and easy to slice. This simple prep step saves a lot of cleanup hassle later!
Step 2: Mix the Batter
In a large bowl, combine the yellow cake mix, melted butter, and eggs. Stir everything together until you get a soft dough. The mixture will be thick but spreadable, the perfect canvas for all the Halloween toppings.
Step 3: Press the Dough Into the Pan
Transfer the dough into your prepared pan. Use your hands or a spatula to press it evenly across the bottom, forming a solid base layer that will hold all the fun mix-ins and toppings.
Step 4: Add Festive Mix-Ins
Sprinkle the chopped Halloween Oreo cookies, candy corn, and orange and black sprinkles evenly over the dough. These add crunch, bursts of color, and a sweet bite that’s impossible to resist.
Step 5: Pour on the Sweetened Condensed Milk
Slowly pour the sweetened condensed milk over the entire surface. This ingredient seeps down into the bars during baking, creating a luscious, gooey layer that’s seriously addictive.
Step 6: Top with White Chocolate Chips
Scatter the white chocolate chips across the top. As they melt, they add creamy sweetness and a lovely contrast to the dark Oreo pieces.
Step 7: Bake Until Golden and Set
Pop your pan into the oven and bake for 25 to 30 minutes. You’ll know it’s done when the edges turn a gorgeous golden brown and the center looks set but still moist.
Step 8: Cool Completely
Patience is a virtue here—let the bars cool completely in the pan on a wire rack. This step allows the gooey topping to firm up slightly so the bars hold their shape when sliced.
Step 9: Slice and Enjoy!
Once cooled, cut into squares or rectangles and get ready to impress. These bars are perfect for sharing at Halloween parties or sneaking a delicious snack at home.
How to Serve Halloween Oreo Cake Bars Recipe

Garnishes
A light dusting of powdered sugar or some extra sprinkles on top can add a beautiful finishing touch. You can even drizzle a little melted dark chocolate for an elegant twist that pairs beautifully with the white chocolate chips already inside.
Side Dishes
Serve these bars alongside a cold glass of milk, a cup of hot cocoa, or even a scoop of vanilla ice cream. The creamy coldness balances out the gooey richness perfectly, creating a delightful dessert pairing.
Creative Ways to Present
For a Halloween party, arrange the bars on a themed platter with plastic spiders or autumn leaves. Wrapping individual bars in clear cellophane tied with orange and black ribbons makes for festive, ready-to-gift treats that guests will love taking home.
Make Ahead and Storage
Storing Leftovers
Keep leftover Halloween Oreo Cake Bars in an airtight container at room temperature for up to three days. This helps preserve their soft texture and gooey top without drying out.
Freezing
If you want to enjoy these bars later, they freeze beautifully. Wrap them tightly in plastic wrap and place them in a freezer-safe bag or container. Freeze for up to two months, and thaw at room temperature before serving.
Reheating
To bring back that freshly-baked warmth, microwave individual bars for about 15 to 20 seconds. Be careful not to overheat, as you want to enjoy the gooey toppings without melting everything into a puddle.
FAQs
Can I use a different cake mix flavor?
Absolutely! Yellow cake mix works great for flavor and color, but vanilla or even pumpkin spice cake mixes can add a seasonal twist that complements the Halloween theme.
Is it okay to substitute regular Oreos for Halloween Oreos?
Yes, regular Oreos work just fine. The Halloween Oreos mainly add festive color, but the classic chocolate and cream flavor will still give you that delicious crunch.
Can I make this recipe gluten-free?
To make it gluten-free, choose a gluten-free yellow cake mix and ensure the Oreos or cookie substitute are gluten-free as well. Be sure to check each ingredient’s label for certification.
What’s the best way to chop the Oreos for this recipe?
Using a sharp knife or even a food processor set to pulse can chop the Oreos into chunky pieces. You want chunks big enough to provide texture, but small enough to spread evenly across the bars.
Can I add nuts or other mix-ins?
Definitely! Chopped pecans or walnuts would add a lovely crunch, and dried cranberries or raisins could bring a tartness that pairs well with the sweet cake and gooey topping.
Final Thoughts
If you’re craving a Halloween treat that’s easy to make, irresistibly delicious, and bursting with festive fun, I can’t recommend this Halloween Oreo Cake Bars Recipe enough. It’s my go-to for parties and cozy nights in, and I promise once you try it, you’ll want to bake it again and again. So grab your ingredients, gather your loved ones, and create some sweet Halloween memories with these fantastic bars!
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Halloween Oreo Cake Bars Recipe
- Prep Time: 15 minutes
- Cook Time: 30 minutes
- Total Time: 45 minutes
- Yield: 12 bars
- Category: Dessert
- Method: Baking
- Cuisine: American
Description
These Halloween Oreo Cake Bars are a festive and delicious treat perfect for spooky celebrations. Featuring a yellow cake base mixed with crushed Halloween Oreos, candy corn, and colorful sprinkles, topped with sweetened condensed milk and white chocolate chips, they bake up into moist, flavorful bars with a fun seasonal twist.
Ingredients
Cake Base
- 1 box yellow cake mix (about 15.25 ounces)
- 1/2 cup (1 stick) unsalted butter, melted
- 2 large eggs
Toppings
- 1 cup Halloween Oreo cookies, chopped
- 1 cup candy corn
- 1/2 cup orange and black sprinkles
- 14-ounce can sweetened condensed milk
- 1 cup white chocolate chips
Instructions
- Preheat Oven and Prepare Pan: Preheat your oven to 350°F (175°C) and line a 9×13-inch baking pan with parchment paper or lightly grease it to ensure easy removal of the bars after baking.
- Make Cake Dough: In a large bowl, combine the yellow cake mix, melted unsalted butter, and eggs. Mix thoroughly until a uniform dough forms, ensuring that all ingredients are well combined for a consistent texture.
- Spread Dough in Pan: Evenly spread the cake dough into the prepared baking pan, pressing it down firmly using your hands or a spatula to create an even layer that will bake uniformly.
- Add Halloween Toppings: Sprinkle the chopped Halloween Oreo cookies, candy corn, and orange and black sprinkles evenly over the dough, distributing them so each bite gets a festive flavor.
- Pour Sweetened Condensed Milk: Carefully pour the sweetened condensed milk evenly over the toppings, which will add moisture and sweetness, helping bind the ingredients during baking.
- Add White Chocolate Chips: Sprinkle the white chocolate chips evenly over the top of the condensed milk layer to add creamy sweetness and melting texture.
- Bake the Bars: Place the pan in the preheated oven and bake for 25-30 minutes, or until the edges turn golden brown and the center is set, indicating the bars are cooked through.
- Cool Completely: Remove the baking pan from the oven and allow the bars to cool completely in the pan on a wire rack to set properly and make cutting easier.
- Cut and Serve: Once cooled, cut the baked cake into bars of desired size and serve as a perfect festive Halloween treat.
Notes
- You can substitute Halloween Oreos with regular Oreos and add orange and black food coloring to sprinkles for a festive look if unavailable.
- Make sure to fully cool the bars before cutting to prevent crumbling.
- Store bars in an airtight container at room temperature for up to 3 days or refrigerate for up to a week.
- For extra flavor, consider adding 1 tsp of vanilla extract to the cake mix batter.

