Preheat oven to 250 degrees.
Mix cereals, pretzels, cheese crackers and mixed nuts in a large turkey roaster.
In a microwave proof bowl, combine butter, Worcestershire sauce and spices.
Microwave until the butter is melted and stir (about 30 seconds).
Pour butter and spice mixture over cereal mixture and stir.
Bake for 1 hour, stirring every 15 minutes (make sure to get in to the corners!)