In a large bowl, combine Cheerios, Shredded Wheat, pretzels and nuts.
In a saucepan, melt butter; stir in seasonings. Pour over cereal mixture; toss to coat.
Spread on an ungreased 15x10x1 inch baking pan. Bake at 250 degrees for 1 hour, stirring every 15 minutes. Store in an airtight container.