Butter and parchment an 8x8 pan. Set aside.

In large bowl add the marshmallows to the melted butter, stir to coat evenly.

Microwave marshmallow mixture for 1 min 30 seconds.

Stir to combine the butter and marshmallows until marshmallows are completely melted.

Pour in the Rice Krispies, coconut and cocoa nibs, mix well to combine.

Pour into prepared pan. Press mixture down to make a solid square (use a piece of parchment for pressing if needed as mixture is sticky.)

Let set until completely cooled.

Once cooled, cut into squares. Drizzle with melted chocolate and sprinkle with coconut and cocoa nibs.

Let set until chocolate is set.

Keep in airtight container.