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    Urban Bliss Life » All Recipes » Holiday Recipes » Frankenstein Rice Krispie Treats

    Published: September 24, 2021 / Updated: September 8, 2022 by Marlynn Jayme Schotland · This post may contain affiliate links.

    Frankenstein Rice Krispie Treats

    37 shares
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    black plate of Frankenstein Rice Krispie Treats with Pinterest text
    plate of Frankenstein Rice Krispie Treats with text overlay
    Frankenstein Rice Krispie Treats with text overlay

    Looking for a frightfully fun Halloween treat? These Frankenstein Rice Krispie Treats are easy to make, and fun to eat! You just need a few simple ingredients to whip up a batch of these colorful Halloween snacks!

    Close up of Frankenstein Rice Krispie Treats on top of black plates and orange background.

    Are you ready for a simple, spooky cute Halloween treat recipe? These Frankenstein Rice Krispie Treats are fun and easy to make with your kids. And they're perfect to serve at Halloween parties!

    Jump to:
    • ❤️ Why you'll love this recipe
    • 🎃 Ingredient notes
    • ✅ Step-by-step instructions
    • 👩🏻‍🍳 Recipe FAQs
    • 🔪 Kitchen tools
    • 🍽 How to serve these Halloween treats
    • 👻 More Halloween recipes
    • Frankenstein Rice Krispie Treats
    • Pin it:

    ❤️ Why you'll love this recipe

    Frankenstein Rice Krispie Treats on top of black plates and orange background.

    These playful Halloween treats are:

    • Fun and easy to make with your kids
    • Done in just 30 minutes from start to finish
    • A whimsical, spooky twist on regular Rice Krispies treats
    • Great for bringing to Halloween parties or giving as gifts

    One of the best things about these treats is that they're a variation on a snack your kids may already love, and chances are your little ones will jump at the chance to make, and enjoy, them with you!

    And they go great with other Halloween treats. We love to serve them alongside Halloween Pinwheel Cookies and Nutter Butter Ghost Cookies.

    🎃 Ingredient notes

    ingredients for Frankenstein Rice Krispie Treats.

    Gotta love a Halloween treat recipe that has six ingredients or less!

    Butter - use unsalted butter. I've even used my favorite dairy-free, vegan butter when making these and they turned out great!

    Mini marshmallows - mini marshmallows melt faster than the large puffy marshmallows.

    Green food coloring - you can use the food coloring drops. However, I prefer to use green icing coloring added to the marshmallows because it doesn't add liquid to the existing dish.

    Rice Krispies - for the best flavor, use the Kellogg's Rice Krispies brand versus a generic store brand.

    Candy eyeballs - to decorate your Frankenstein rice krispies. To be honest, I always keep some candy eyeballs on hand in the pantry for fun baked goods.

    Black writing icing - Look for the thin black icing instead of the thicker tubes of frosting.

    ✅ Step-by-step instructions

    melting butter in pot
    adding butter with marshmallows in pot
    1. Melt the butter in a large stockpot over medium heat.
    2. Once the butter has just melted, add the mini marshmallows. Stir marshmallows and melted butter together quickly.
    adding green food coloring to marshmallows
    making green marshmallows

    3. Add the green food coloring.

    4. Then quickly mix together with the buttered marshmallows until the green color is evenly distributed.

    adding rice krispies to green marshmallow mix
    mixing the marshmallows and rice krispies

    5. Pour in the rice krispies.

    6. Immediately stir everything together to coat the rice krispies with the green marshmallow mixture. Remove from heat.

    full pan of Frankenstein Rice Krispie Treats
    slicing into Frankenstein Rice Krispie Treats

    7. Immediately pour or scoop the green rice krispies into the prepared baking dish. Refrigerate for at least 20 minutes, until cool.

    8. Use a large knife or a sharp pastry cutter to slice out 12 even squares.

    adding googly eyes to green rice krispies
    one decorated Frankenstein Rice Krispie on top of the batch of treats

    9. Decorate each square with a pair of candy eyeballs and black writing icing. Get creative here!

    10. Make a variety of expressions by drawing different mouth shapes. Create different hair for each Frankenstein treat.

    👩🏻‍🍳 Recipe FAQs

    Frankenstein Rice Krispie Treats on top of black plates and orange background
    What's the best way to store rice krispie treats so they don't get stale?

    It's best to eat these treats within 2 days. However, I've found they can sometimes keep for up 3 to 4 days if stored in an airtight container at room temperature. Make sure the lid is on securely to lock in freshness.

    How do I fix stale rice krispie treats?

    Try putting the stale rice krispie treats into a plastic resealable bag along with a slice of bread. Let it rest overnight on your kitchen counter. The moisture from the bread should help revive the softness of the rice krispies. This is an old kitchen trick that works with other snacks as well - not just rice krispies! However, this will only work for a couple of rice krispie treats at a time in the bag. And, it won't work if the rice krispie treats are too old.

    Can rice krispies be frozen?

    According to the Kellogg's Rice Krispies page, they can be! "To freeze, place in layers separated by wax paper in airtight container. Freeze for up to 6 weeks. Let stand at room temperature for 15 minutes before serving."

    🔪 Kitchen tools

    To make these fun treats, you just need a few basic kitchen tools.

    Large pot - you'll need a large pot to melt the butter and marshmallows, then fold in the rice krispies.

    Heatproof silicone spatula - to use for mixing all of the ingredients together in the large pot.

    9 x 13-inch baking dish - I use a freezer-to-oven safe glass baking dish.

    Parchment paper - you could grease the pan with butter, but I find that using parchment paper makes it so much easier to lift the treats out of the dish and cut into squares.

    🍽 How to serve these Halloween treats

    trio of Halloween treats on orange, black, and white plates with Halloween bark.

    These Frankenstein Rice Krispies really stand out best against all-black plates or all-white plates. Place them all together on one big serving plate, or put half one one plate and half on another and set them at different corners of the table.

    To make a fun and festive Halloween treat table, consider what you already have before buying anything new. I like to layer the treat displays using a variety of cake pedestals of different heights.

    Some ideas for items you might already have on hand:

    • orange, black, or white plates that can stack on top of one another to show both colors of plates
    • orange, black, white, purple, or green tablecloths, placemats, and napkins
    • small pumpkin decorations
    • have black construction paper? Cut out bat shapes and sprinkle around the table.
    • make fun Halloween decorations using googly eyes.

    👻 More Halloween recipes

    • Nutter Butter Halloween Ghost Cookies
    • Monster Halloween Bark
    • Pumpkin Cream Cheese Muffins
    • Ube Donuts

    Did you make this recipe? Don't forget to leave a 5-Star 🌟🌟🌟🌟🌟 rating in the recipe card, and if you really loved it, please leave a comment further down on the page. Thank you!

    green frankenstein marshmallow rice krispie treats on a plate.

    Frankenstein Rice Krispie Treats

    5 from 7 votes
    Prep Time: 10 mins
    Cooling Time: 20 mins
    Total Time: 30 mins
    Recipe by Marlynn Schotland
    These Frankenstein Rice Krispies are frightfully fun to make and to eat! Perfect Halloween treats!
    Servings: 8 squares
    Calories: 148kcal
    PRINT PIN RATE

    Ingredients

    • 4 Tablespoons unsalted butter
    • 6 cups Rice Krispie cereal
    • 1 package (10 ounces) mini marshmallows equals about 6 cups
    • 4 to 6 drops green food coloring*
    • 32-40 candy eyeballs
    • 1 tube (4.25 ounce) black writing icing

    Instructions

    • Melt the butter in a large stockpot over medium heat. Once the butter has just melted, add the mini marshmallows. Stir marshmallows and melted butter together quickly.
    • Add the green food coloring. Start with just one to two drops of green food coloring or a couple of small toothpick swipes of green icing coloring. Then add just enough until to get your desired color of green; this amount will be different for everyone. Then quickly mix together with the buttered marshmallows until the green color is evenly distributed.
    • Remove from heat and immediately pour in the rice krispies. Working quickly, stir everything together to coat the rice krispies with the green marshmallow mixture.
    • Immediately pour or scoop the green rice krispies into the prepared baking dish. Refrigerate for at least 20 minutes, until cool.
    • Use a large knife or a sharp pastry cutter to slice out 16 to 20 even squares, depending on how large or small you want each treat to be. Decorate each square with a pair of candy eyeballs and black writing icing. Get creative here! Make a variety of expressions by drawing different mouth shapes. Create different hair for each Frankenstein treat.

    Notes

    The trick is to mix the ingredients together quickly, before the marshmallows and rice krispies start to harden.
    Tried this recipe?Please leave a star rating and comment! Then snap a pic of your dish and share it on social media. Tag @UrbanBlissLife and #UrbanBlissLife!

    Nutrition

    Calories: 148kcal | Carbohydrates: 22g | Protein: 1g | Fat: 6g | Saturated Fat: 4g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 2g | Trans Fat: 1g | Cholesterol: 15mg | Sodium: 112mg | Potassium: 28mg | Fiber: 1g | Sugar: 6g | Vitamin A: 1572IU | Vitamin C: 13mg | Calcium: 3mg | Iron: 6mg

    Nutrition information is a general estimate. Actual nutrition details may vary depending on the exact foods & brands you use to make this recipe. It does not take into account any substitutions, toppings, or optional ingredients.

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      Reader Interactions

      Comments

      1. Claudia Lamascolo says

        September 13, 2022 at 11:50 am

        5 stars
        These are just darling and my sons favorite ghoul around the holiday lol he will love them thanks

        Reply
      2. Nikki says

        September 13, 2022 at 11:19 am

        5 stars
        These are super fun and festive! A great Halloween treat.

        Reply
      3. Beth says

        September 13, 2022 at 11:09 am

        5 stars
        These are so adorable! I've always loved going the cute rout rather than gory when Halloween rolls around. I'm going to make a few batches of these, I think.

        Reply
      4. Toni says

        September 13, 2022 at 10:43 am

        5 stars
        These are really amazing treats!! My family loved it!

        Reply

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      Marlynn Jayme Schotland 2021 profile pic

      Hi! Thanks for stopping by! I'm Marlynn - a cookbook author, writer, photographer, and mom of two teenagers + a lovable lab retriever. Here you'll find my fast, easy, and delicious recipes, wine pairings, and travel guides. I hold a WSET 2 with Distinction in wine, and am a member of Society of American Travel Writers (SATW) and the International Food, Wine, and Travel Writers Association (IFWTWA).

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