Frankenstein Rice Krispie Treats

These Frankenstein Rice Krispie Treats are a playful twist on the classic snack, perfect for Halloween parties or fun family activities. I love how simple they are to make while still looking festive and creative with their bright green color and cute monster faces.

Why You’ll Love This Recipe

I like this recipe because it’s kid-friendly, easy to prepare, and doesn’t require any baking. The green Rice Krispie base gives me that fun Frankenstein look, while the melted chocolate, candy eyes, and marshmallow bolts bring the character to life. I also enjoy that these can be served on lollipop sticks for a mess-free party treat.

Ingredients

FOR THE RICE KRISPIE BASE:
6 cups Rice Krispies cereal
1 package (10 oz) mini marshmallows
3 tablespoons unsalted butter
½ teaspoon vanilla extract (optional)
Green food coloring (gel or liquid)

FOR DECORATING:
1 cup chocolate chips (semi-sweet or milk)
1 tablespoon coconut oil or shortening
Candy eyes
Black writing gel or melted chocolate in a piping bag
Mini marshmallows or Tootsie Rolls
Lollipop sticks (optional)

(Note: All ingredient amounts are listed in the recipe card below.)

Directions

1. I lightly grease a 9×13-inch pan or line it with parchment paper.
2. In a large saucepan, I melt the butter over low heat, then add the mini marshmallows. I stir until completely melted and smooth.
3. I remove from the heat and stir in vanilla extract (if using) and enough green food coloring to reach my desired Frankenstein shade.
4. I quickly fold in the Rice Krispies cereal until evenly coated.
5. I press the mixture firmly into the prepared pan using a greased spatula or parchment paper. I let it cool completely before cutting.
6. Once set, I cut the Rice Krispies into rectangles to form Frankenstein’s head.
7. I melt the chocolate chips with coconut oil until smooth, then dip the tops of each treat into the chocolate to create Frankenstein’s “hair.”
8. While the chocolate is still soft, I press candy eyes onto each face.
9. I pipe on a mouth and scars with black gel or melted chocolate.
10. For bolts, I cut mini marshmallows or Tootsie Rolls in half and attach them to the sides with melted chocolate.
11. If I’m serving them on sticks, I insert lollipop sticks into the bottom of each treat before decorating.

Servings and Timing

This recipe makes about 12 Frankenstein treats. It takes around 15 minutes to prepare, plus another 30 minutes for cooling and decorating, so I can finish them in under an hour.

Variations

I sometimes dip the entire treat in green candy melts for a smoother surface before decorating. For a peanut butter twist, I stir a few tablespoons of peanut butter into the marshmallow mixture before adding the cereal. I also like swapping candy eyes for white chocolate chips with tiny dots of melted chocolate for a homemade option.

Storage/Reheating

I store these treats in an airtight container at room temperature for up to 3 days. If I need to make them ahead, I wrap them individually in plastic wrap to keep them fresh. I don’t recommend refrigerating since it makes them too hard. These don’t need reheating, but I let them come to room temperature if they’ve been in a cooler environment.

FAQs

Can I make these with store-bought Rice Krispie treats?

Yes, I sometimes cut pre-packaged treats into rectangles and decorate them directly.

Can I use large marshmallows instead of mini?

Yes, I just use the same weight, but I find mini marshmallows melt faster.

Do I need coconut oil for the chocolate?

No, but I like adding it for smoother dipping and a shinier finish. Shortening works too.

Can I make them ahead of time?

Yes, I usually make them a day before serving and store them tightly covered.

What can I use instead of candy eyes?

I make small circles with white chocolate or icing and add a dot of melted chocolate for pupils.

Can I use food coloring in the chocolate hair?

Yes, but I always use oil-based candy coloring for chocolate since water-based colors can cause it to seize.

How do I keep them from sticking to my hands?

I grease my hands or spatula lightly with butter or spray before pressing the mixture into the pan.

Can I freeze Rice Krispie treats?

I don’t recommend freezing since they lose their chewy texture once thawed.

Can I make them vegan?

Yes, I use vegan marshmallows and plant-based butter to adjust the recipe.

Can I shape them differently?

Yes, I sometimes cut circles or squares and decorate them as pumpkins, ghosts, or other Halloween characters.

Conclusion

These Frankenstein Rice Krispie Treats are one of my favorite no-bake Halloween desserts because they’re fun, festive, and simple to make. I love how the decorations turn a classic childhood snack into something creative that kids and adults both enjoy. They’re always a hit at parties and easy to customize for spooky season.

Print