1/3 c Butter
3 c Cherrios
3 c Rice chex
3 c Wheat chex
3 c Corn chex
3 c Thin pretzels
4 t Worcestershire sauce
1 t Garlic salt
1 t Onion salt
1 t Celery salt

Melt butter, add rest of seasonings. Pour over mixed cereals in roaster pans. Bake in 350 over for 1 hour, stirring occasionally (every 10 minutes or so).