5 from 1 vote
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Halloween Oreo Cake Bars

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You’re going to love the flavor of these Halloween Oreo Cake Bars! It’s the best way to great a delicious bar for a Halloween party to share with all your family and friends. You’ll love all the added Oreo pieces in this easy recipe.

Two cake bars with Halloween Oreo and sprinkles sitting on a skeletal hand.

Did I mention that this recipe is so much fun to make? The orange sprinkles with the cake mixture make for the best Halloween cookie bars ever!

If you love recipes like this, you may enjoy these Chocolate Swiss Roll Bat Cake!

Why you’ll love these Orange Halloween Oreo Cake Bars

  • Every bite is loaded with oreo cookies
  • They’re the perfect way to make a sweet treat to add to your favorite Halloween recipes.
  • It’s going to be one of your favorite desserts for a deliciously spooky treat.

Ingredients

  • Halloween Oreos – You can also use any type of Oreos that you want.
  • French Vanilla Cake Mix – If you want to change up the cake mixture, do so!
  • Whole Milk  – I like using whole milk because of the extra added richness.
  • Canola Oil -You can easily use coconut oil or avocado oil as well.
  • Eggs – Used to bind all the dry ingredients together to make the cake batter.
  • Halloween Sprinkles – You can even add some candy eyes!

How To Make Halloween Oreo Bars

The complete list of ingredients, quantities, and instructions can be found in the printable recipe card below.

Collage of assembling halloween oreo cake bars.

Step One: Preheat the oven to 350 degrees. Prep a 13 x 9-inch baking dish. Chop the Oreos. Set aside.

Step Two: Spread half of the chopped Oreos over the bottom of the baking dish. Add the cake mixes, eggs, oil, and milk to a large mixing bowl. Use an electric mixer to incorporate these ingredients. This will be thick. (Photo 1)

Step Three: Add the cup of sprinkles to the cake batter. Mix well. Pour the cake batter on top of the crushed Oreos. Pour it from one end of the baking pan to the other end. Spray the offset spatula with nonstick baking spray. Work carefully so that the Oreos don’t move. (Photo 2)

Collage of a Halloween oreo cake bar in a baking dish and sitting on a skeletal hand.

Step Four: Use the spatula to slowly and carefully spread the batter. Make sure that the batter covers all four corners of the baking pan. Add more chopped Oreos to the top of the cake batter. Press those Oreos in the cake batter. 

Step Five: Sprinkle the rest of the Halloween sprinkles on top. Bake at 350 degrees for 20-25 minutes. Check to see if the bars are baked at the 20-minute mark. Insert a toothpick in the center. If it comes out clean, the bars are done. (Photo 3)

Step Six: Allow to cool in the pan before cutting. (Photo 4)

Halloween theme oreo cake bars sitting on a black mesh fabric.

Storing Leftovers

You need to keep leftovers stored in the fridge. Add plastic wrap or cover with a lid for storing. These spooky treats should be good for 2-3 days.

A pile of Halloween theme oreo cake bars sitting on a skeletal hand.

Tips and tricks

Add cool whip – If you want to add a fun topping, add cool whip! There’s always room for it!

Drizzle on some melted chocolate – You can never have too much chocolate. Ever.

Add other candy – Add some Reese’s pieces to change it up a bit!

FAQs

What can I do with the remaining batter?

if you make these treats in a smaller prepared baking pan and have some leftovers, make cookies with them! However, you want to make them is a pure delight.

How do I keep them from sticking to the pan?

Add some parchment paper to the pan or use a nonstick cooking spray.

More Halloween Recipes You’ll Love

Have you tried these Halloween Oreo Bars or any other recipe on my site? If so, please leave a star ★★★★★ rating and drop a comment below! Ensure you’re not missing a thing; you can also follow along with me on Pinterest, Facebook, Twitter, or My Facebook Group! For more incredible recipes!

Halloween orea cake bars sitting on a skeletal hand.
5 from 1 vote

Halloween Oreo Cake Bars


Author: Kim Schob
Course: Desserts
Cuisine: American
Prep Time: 10 minutes
Cook Time: 20 minutes
Total Time: 30 minutes
These Halloween Oreo Cake Bars are such a fun and simple treat! Perfect for a spooky dessert that everyone is going to love!

Ingredients 

  • 1 package Halloween Oreos
  • 2 boxes French vanilla cake mix
  • ½ cup (122 g) whole milk
  • ½ cup (112 g) canola oil
  • 2 eggs
  • 1 cup (160 g) Halloween sprinkles

Instructions

  • Preheat oven to 350 °F (177 °C) degrees.
  • Prep a 13 x 9 inch baking dish.
  • Chop the Oreos. Set aside.
  • Spread half of the chopped Oreos over the bottom of the baking dish. Add the cake mixes, eggs, oil, and milk in a large mixing bowl. Use an electric mixer to incorporate these ingredients. This will be thick.
  • Add the cup of sprinkles to the cake batter. Mix well.
  • Pour the cake batter on top of the crushed Oreos.
  • Pour it from one end of the baking pan to the other end.
  • Spray the offset spatula with nonstick baking spray.
  • Work carefully so that the Oreos don’t move.
  • Use the spatula to slowly and carefully spread the batter. Make sure that the batter covers all four corners of the baking pan. Add more chopped Oreos to the top of the cake batter. Press those Oreos in the cake batter.
  • Sprinkle the rest of the Halloween sprinkles on top.
  • Bake at 350 degrees for 20-25 minutes.
  • Check to see if the bars are baked at the 20 minute mark.
  • Insert a toothpick in the center.
  • If it comes out clean the bars are done.
  • Allow to cool in the pan before cutting.

Nutrition Information

Calories: 1302kcal (65%) Carbohydrates: 220g (73%) Protein: 14g (28%) Fat: 43g (66%) Saturated Fat: 11g (69%) Polyunsaturated Fat: 9g Monounsaturated Fat: 21g Trans Fat: 1g Cholesterol: 57mg (19%) Sodium: 1516mg (66%) Potassium: 334mg (10%) Fiber: 4g (17%) Sugar: 129g (143%) Vitamin A: 114IU (2%) Vitamin D: 1µg (7%) Calcium: 426mg (43%) Iron: 13mg (72%)

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