Bottom Layer:
Heat oven to 325º Lightly grease 13 x 9-inch baking dish/pan.
In a medium bowl, stir together brownie mix, egg, oil and water until fully blended.
Spread brownie batter into prepared dish/pan.
Bake for 35 to 45 minutes. Do not over bake.
Let cool completely.
Middle Layer:
When cool, spread jet-puffed marshmallow creme on brownies.
Sprinkle coconut over marshmallow creme.
Top Layer:
Place chocolate chips and peanut butter in a medium size microwave safe bowl. Microwave until well blended and smooth, stopping at 1 minute intervals to stir. Once melted and smooth, stir in cocoa krispies cereal.
Spread evenly over marshmallow/coconut layer.
Cover and chill for 2 hours before cutting into bars.