Melt Butter & Marshmallows – In a large pot over low heat, melt the butter. Add marshmallows and stir until smooth.
Add Salt – Stir in salt to enhance flavor.
Mix in Cereal – Remove from heat and quickly fold in the Rice Krispies cereal, ensuring it's evenly coated.
Add Sprinkles – Gently mix in Halloween-themed sprinkles for a festive touch.
Press Into Pan – Transfer the mixture to a parchment-lined 9x13-inch baking dish and press evenly.
Decorate with Googly Eyes – While warm, add candy eyeballs on top for a spooky effect.
Cool & Set – Let the treats cool at room temperature for about 30 minutes.
Cut & Serve – Slice into squares and enjoy your Halloween Rice Krispies Treats!