8 cups or 16 servings
Preheat oven to 300 degrees F
Place cereal, popcorn, pretzels and nuts in 15 x10 x1- inch baking pan. Sprinkle evenly with salad dressing mix.
Mix butter, Worcestershire sauce and garlic powder. Drizzle evenly over cereal mixture; toss to coat.
Bake for 30 to 35 minutes or until crisp, stirring halfway through baking time.
Cool. Store in a tightly covered container.