Shirley's Chex Party Mix

6 Tablespoons butter or margarine
4 Tablespoons Worcestershire sauce
1 teaspoon seasoned salt or 3/8 teaspoon salt
¾ teaspoon garlic powder
5 cups (total) Wheat, Corn & Rice cups
2 cups cashews

Cheese balls optional

Bake in oven 250 degrees F. for 45 minutes
Turn every 15 minutes