01 - Preheat oven to 250°F. Line a large baking sheet with parchment paper.
02 - In a large mixing bowl, combine pretzels, nuts, cheese crackers, and cereal squares.
03 - In a small bowl, whisk together melted butter, Worcestershire sauce, seasoned salt, garlic powder, onion powder, smoked paprika, and cayenne pepper.
04 - Pour the butter mixture over the snack mix. Toss gently until everything is evenly coated.
05 - Spread the mixture in an even layer on the prepared baking sheet. Bake for 45 minutes, stirring every 15 minutes to ensure even toasting.
06 - Remove from oven and let cool completely on the baking sheet. Transfer to a serving bowl or airtight container.