Crunchy, seasoned party mix with a savory, buttery coating is a classic, family-favorite snack for gatherings. This addictive, vegetarian munchie is easy to make in crowd-sized batches.
Preheat oven to 250°F. Prepare a large rimmed baking sheet by lining it with parchment paper for even heat distribution and easier cleanup.
In a big mixing bowl, combine rice cereal squares, corn cereal squares, mini pretzels, cheese crackers, and roasted peanuts, tossing gently to maintain crunch.
Melt unsalted butter in a small saucepan over low heat, then whisk in Worcestershire sauce, garlic powder, onion powder, sea salt, and paprika until spices are fully dissolved and the mixture is aromatic.
Slowly drizzle the seasoning mixture over the dry ingredients, stirring continuously with a spatula to coat every piece thoroughly and avoid uneven flavor spots.
Spread the coated mix evenly on the prepared baking sheet. Bake for 1 hour, stirring every 15 minutes to ensure even crispness and to prevent burning, then cool completely before serving.