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Marshmallow Rice Krispies Halloween Brains

Close-up of Marshmallow Rice Krispies Halloween Brains shaped like pink brains on a dark surface.

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These Marshmallow Rice Krispies Halloween Brains are spooky, kid-friendly no-bake treats made with gooey marshmallows and crispy cereal. Perfect for Halloween parties or creepy snack tables, they’re fast, fun, and wildly delicious.

Ingredients

Scale
  • 4 tablespoons butter
  • 2 cups pink and white marshmallows
  • 1/4 teaspoon salt
  • 4 cups Rice Krispies cereal
  • 1 tube red writing icing (optional)

Instructions

  1. Line a tray with non-stick parchment paper.
  2. Place butter and marshmallows in a heatproof bowl set over simmering water.
  3. Stir until butter melts and marshmallows become smooth.
  4. Add salt and stir to combine.
  5. Turn off heat and mix in Rice Krispies until evenly coated.
  6. Oil two spoons and scoop the mixture into mounds on the tray.
  7. Use oiled fingers to shape into brains and lightly flatten.
  8. Use a lightly oiled knife to press a groove down the center of each brain.
  9. Repeat until mixture is used up, reshaping as needed.
  10. Drizzle red icing for a bloody effect (optional).
  11. Let set at room temperature for 4–5 hours before serving.

Notes

  • Use mini marshmallows for faster melting.
  • Any crispy rice cereal can be substituted.
  • Oil your hands and tools to reduce sticking.
  • Brains can be stored for up to 3 days in an airtight container.

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