Step 1

Preheat oven to 325°F. Spray bottom 9x13-inch pan with cooking spray. Stir together brownie mix, oil, eggs and water until blended, about 50 strokes. Pour into pan and bake according to package directions. Cool.

Step 2

Spray large saucepan and rubber spatula with cooking spray. Melt Blue Bonnet over medium-low heat. Stir in marshmallow and cook just until marshmallows are about half melted. Stir in cereal.

Step 3

Press crispy treats into the pan on top of cooled brownies. Top with sprinkles. Cool and cut into bars.