Preheat oven to 250 degrees.
In a large bowl, mix your chex cereal, almonds, and pretzels. Set aside
In a small bowl combine melted butter, worcestershire, seasoned salt, garlic powder and onion powder.
Pour butter mixture over the cereal and stir as much as you can to cover everything evenly.
Pour into a large roasting pan.
Bake in oven for 1 hour, stirring every 15 minutes.
Spread on paper towels to cool, and enjoy.