Preheat 350 degree oven. In 15x10x2 inch baking pan melt butter in oven. Remove. Stir in seasoned salt and Worcestershire. Gradually add cereal and nuts, stirring until all pieces are evenly coated. Bake 20 to 25 minutes, stirring every 10 minutes. Spread on absorbent paper to cool. Store in air tight container.
