01 - Prepare a brain-shaped mold or line a medium bowl with plastic wrap to create the brain form structure.
02 - In a large saucepan over medium heat, melt the butter. Add mini marshmallows and stir continuously until completely melted and smooth.
03 - Tint the marshmallow mixture with red or pink food coloring, drop by drop, until a realistic brain-like pinkish hue is achieved.
04 - Remove from heat. Fold in the crispy rice cereal, mixing until evenly coated with the colored marshmallow. Cool until safe to handle.
05 - Using buttered hands, press half the cereal mixture into the prepared mold, pressing up along the sides to create a hollow cavity in the center.
06 - Spoon the jam and coulis into the central cavity, keeping the filling centered and away from the edges.
07 - Gently cover with the remaining cereal mixture, sealing the filling completely inside. Press and shape to enhance the brain's anatomical appearance.
08 - Let the brain set at room temperature for 20–30 minutes until firm and holding its shape.
09 - Carefully unmold onto a serving plate. Use food coloring and a small brush to paint detailed brain cell ridges. Add candy eyes or sprinkles for extra Halloween effect.
10 - Slice the brain and watch the berry filling ooze out dramatically for the spooky presentation.