In a large roasting pan or baking dish, combine cereals, peanuts, pretzels, and rye chips.
In a small bowl, whisk together melted butter, Worcestershire sauce, seasoned salt, garlic powder, and onion powder. Pour over the cereal mixture, stirring well to coat.
Bake Chex mix for 1 hour, stirring every 15 minutes.
Let cool completely before storing.
Notes
To make in the microwave, use a microwave-safe bowl and cook on high for 3 minutes, stirring every 60 seconds.
Nutrition information is an estimate based on online calculators and provided as a courtesy. Any nutritional information should be used as a general guideline only.