Halloween Rice Krispies Squares

We love traditional Rice Krispies Squares, you know, the sweet marshmallow mixed in with the crispy rice cereal is a children’s favourite, but what if we make them even better by transforming these regular squares into Halloween Rice Krispies Squares? That’s when the real fun begins!

Three Krispies Square on a piece of parchment paper with spider webs in the back.

I decided to create some spooky/cute Rice Krispies Squares together with my little cousin. She came oven and wanted to work on a DIY project, so we thought, why not make Halloween inspired crispy treats that everyone can enjoy?

And that, my friends, is how the ghost, Frankenstein and spider squares came to life. Some crazy sugar eyes and some white and dark chocolate can really make for a fun afternoon with kids!

Ingredients

  • Marshmallows
  • Butter
  • Vanilla Extract
  • Rice Krispies Cereal
  • White and/or Dark Chocolate
Two Rice Krispies Squares on a piece of parchment paper.

How to Make Rice Krispies Squares

In a large saucepan melt the butter over medium heat.

When melted add 10 large marshmallows, 44 regular or 6 cups of mini marshmallows and stir on low heat until melted.

butter and marshmallows being melted in a pot.

Remove from the heat and stir in the vanilla. Add the remaining marshmallows and cereal and stir gently to combine.

Rice Krispies added to the mix in the pot.

Transfer to the prepared pan and gently press. Allow to set for one hour. Remove from the pan and cut into 8 rectangles.

Mix added to a pan.

Melt white and dark chocolate in two separate bowls and let them cool a bit before using.

When the chocolate has thickened, decorate your rice krispie squares as you like. Refrigerate them for about 30 minutes before serving them so that the chocolate sets.

Rice Krispies Squares on a wooden board.

How to Prevent Rice Krispies Squares from Becoming Hard

If you want to get those perfect, soft and sweet best rice Krispie treats, there are a few tips you can follow.

  • Make sure you’re using fresh marshmallows. Stale ones will be harder to melt.
  • Keep the temperature to medium-low heat, high heat will definitely give you rock solid squares.
  • When transferring the melted marshmallow mixture into the prepared baking dish, don’t press on the mix, instead pat gently. Pressing too hard will make the mix compact and after some time resting in the pan it will become very hard.
  • Eat them in a timely manner. After a couple of days at room temperature the squares will begin to go from soft and gooey to hard and stale.
two halloween rice krispies squares with a fake spider crawling on one.

How to Decorate Halloween Rice Krispies Squares

To make Frankenstein: Take a Rice Krispies Square, add two medium-sized sugar eyes and with a spatula or spoon, spread some dark chocolate on the top of the square to give Frankenstein its hair.

To make the Spider: Take a Rice Krispies Square, dip it in melted dark chocolate and add 6 small-sized sugar eyes to the middle of the square.

To make the Ghost: Take a Rice Krispies Square, dip or drizzle white chocolate all over the square and add two medium-sized eyes to it.

How to Store Rice Krispies Squares

These Homemade Rice Krispie treats can be stored in an air-tight container at room temperature for about three days. They can also be stored in an air-tight container and frozen for up to one month.

I suggest to store them without decorating them and when you’re ready to serve them then decorate them with the melted chocolate.

If you are stacking the squares then place a piece of parchment paper or wax paper between the squares so that they don’t stick to each other.

rice krispies squares on a piece of parchment paper.

More Delicious Squares Recipe

Squares with spiderwebs in the back and a fake spider crawling on one square.

Halloween Rice Krispies Squares

Erika Marucci
We love traditional Rice Krispies Squares, you know, the sweet marshmallow mixed in with the crispy rice cereal is a children's favourite, but what if we make them even better by transforming these regular squares into Halloween Rice Krispies Squares? That's when the real fun begins!
No ratings yet
Prep Time 10 mins
Cook Time 15 mins
Resting Time 1 hr
Total Time 1 hr 25 mins
Course Dessert, Snack
Cuisine American
Servings 8 Squares
Calories 253 kcal

Ingredients
 
 

  • 12 ounces Marshmallows (divided)* (335 grams)
  • ¼ cup Butter (56 grams)
  • ½ teaspoon Vanilla Extract
  • 5 cups Rice Krispies cereal (140 grams)

*12 jumbo marshmallows or 40 regular marshmallows or 7 cups mini marshmallows

    EXTRAS

    • 4-8 ounces chocolate (white or dark)

    Instructions
     

    • In a large pot melt the butter over medium heat.
    • When melted add 10 large marshmallows, 44 regular or 6 cups mini marshmallows and stir on low heat until melted.
    • Remove from the heat and stir in the vanilla. Add the remaining marshmallows and cereal and stir gently to combine.
    • Transfer to the prepared pan and gently press (with damp fingers to even out the rice krispies squares. Allow to set for one hour. Remove from the pan and cut into 8 rectangles.
    • Melt white and dark chocolate in two separate safe bowls and let them cool a bit before using.
    • When the chocolate has thickened, decorate your rice krispie squares as you like. Refrigerate them for about 30 minutes before serving them so that the chocolate sets. Enjoy!

    Notes

    To prevent the Squares from becoming hard follow these tips:
    • Make sure you’re using fresh marshmallows. Stale ones will be harder to melt.
    • Keep the heat to medium, hight heat will definitely give you rock solid squares.
    • When transferring the mixture into a pan don’t press on the mix, instead pat gently. Pressing too hard will make the mix compact and after some time resting in the pan it will become very hard.
    • Eat them in a timely manner. After a couple of days at room temperature the squares will begin to go from soft and gooey to hard and stale.
     
    These Homemade Rice Krispie treats can be stored in an airtight container at room temperature for about three days. They can also be stored in an airtight container and frozen for up to one month. 
    If you are stacking the squares then place a piece of parchment paper between the squares so that they don’t stick to each other.

    Nutrition

    Calories: 253kcalCarbohydrates: 49gProtein: 2gFat: 6gSaturated Fat: 4gPolyunsaturated Fat: 0.3gMonounsaturated Fat: 2gTrans Fat: 0.2gCholesterol: 15mgSodium: 172mgPotassium: 26mgFiber: 0.1gSugar: 26gVitamin A: 1341IUVitamin C: 11mgCalcium: 4mgIron: 5mg
    Keyword Halloween rice Krispie Squares, rice Krispie, Rice Krispie Squares
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