Chex Party Mix

1/2 c. butter
1 1/4 tsp. seasoned salt
4 1/2 tsp. Worcestershire sauce
1 c. mixed nuts
2 2/3 c. Corn Chex cereal
2 2/3 c. Rice Chex cereal
2 2/3 c. Wheat Chex cereal

Preheat oven to 250 degrees. Melt butter in pan, 15"x10"x2", add salt and Worcestershire sauce, mix in Chex and nuts. Heat in oven 1 hour. Stir every 10 to 15 minutes.