Pre-heat oven to 325°F.
Combine butter and seasonings in a microwaveable bowl or measuring cup. Cover and microwave for two minutes, pausing every 30 seconds to stir.
In a large, shallow oven-safe container, mix pretzels, nuts, and cereals, stirring to combine.
Bake for 1 ½ hours, removing and stirring it every 15 minutes.