Line a cookie sheet with parchment paper.
Spray lightly with cooking spray.
Preheat the oven to 325 degrees F.
While the oven heats, mix the butter, salt, and sugar in a saucepan
Bring to a low, rolling boil for two minutes.
Place nuts and cereal in a large bowl
Pour the brown sugar mixture over top, and mix thoroughly.
Transfer to the cooking sheet, spreading it out evenly.
Bake for 8 minutes; remove and stir
Bake for another 8 minutes.
Cool.
If you see any clumps, break them up.