Make package of brownies per instructions, in 9x9 pan lined with parchment paper.
Spread 8oz of marshmallow fluff over brownies.
In microwave save bowl melt 6 oz of milk chocolate & 1 cup peanut butter (30 second intervals until fully melted)
Add 3-4 cups of rice crispies & mix.
Add on top of fluff layer.
Place in fridge until set.
