How to Make Arkansas Mud
- Prepare the brownies as directed on the package (don't bake yet!)
- Spray 9X13 baking dish with baking spray, then sprinkle marshmallows evenly over the pan.
- Pour the brownies over the marshmallows. Then drizzle about a 1/2 a tub of the caramel dip (about a cup)
- Top with walnuts. Bake at 350 degrees for 35 to 40 mins. Mine took 40 minutes.