Easy Halloween Zombie Brain Rice Krispie Treats Recipe

Last Updated on November 9, 2026 by Mr. B

Halloween is pretty big deal for my family and making this Easy Halloween Zombie Brain Rice Krispie Treats Recipe is one of our favorite ways to get into the spooky mood. We love dressing up and decorating the house, but nothing beats creating creepy holiday sweets. After all, what other time of the year can you serve a bright green, licorice-laced zombie brain and not seem a little bit odd?

Since the calendar hit October 1, my kids have loved pretending to be undead zombies, making this no-bake treat a huge hit.

Made with just a few ingredients (including Rice Krispies cereal and some licorice), this decaying brain would be an awesome addition to any Halloween party. Even if you’re not throwing a party, you can surely impress your children or friends with this spooky treat.

Fun to make and eat and the perfect Rice Crispy Treat recipe for your Halloween festivities!

Looking for more Halloween recipes? Try these:

Halloween Oreo Dirt Cheesecake Recipe

Mummy Turkey Wraps | Halloween Food Ideas

Fall Harvest Chex Mix | Halloween Snack Mix Recipe

Scroll down to the recipe card to watch the step-by-step Easy Halloween Zombie Brain Rice Krispie Treats Recipe video!

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Easy Halloween Zombie Brain Rice Krispie Treats Recipe

This Easy Halloween Zombie Brain Rice Krispy Treats Recipe uses green food coloring and red licorice to create a creepy, kid-friendly dessert perfect for Halloween!

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Prep Time 5 minutes mins

Cook Time 15 minutes mins

Total Time 20 minutes mins

Servings: 18 - 20

Ingredients Method Video

Ingredients

  

• 3 TBSP Unsalted Butter
• 40 Regular Marshmallows
• 6 Cups Rice Krispies Cereal
• Green Food Coloring
• Cooking Spray
• 1 Package Twizzlers Pull’N’Peel Candy Red (Flavor of your choice)

Method

 

1. Melt butter in sauce pan or pot over low heat
2. Add marshmallows and mix until melted
3. Remove from heat and stir in green food coloring until desired color
4. Add cereal
5. Mix to coat
6. Using a medium sized bowl, line with wax paper and spray paper with cooking spray
7. Pour cereal mixture into lined bowl
8. Grease hands and press down
9. Line cookie sheet with wax paper and spray with cooking spray
10. Flip treat onto sheet and form into brain
11. Make crease in middle of brain
12. Place Twizzlers down the middle
13. Using peeled apart Twizzlers to make smaller veins
14. Let set for a few minutes
15. Slice and serve

Video