Place the Corn Chex, Rice Chex, Wheat Chex, oyster crackers, cheese crackers, pretzels, and nuts in a large microwave-safe bowl.
Prepare the BIn a smaller bowl, whisk together melted butter, Worcestershire sauce, seasoned salt, and onion powder.utter Mixture
Pour the butter mixture over the cereal mix and toss to coat evenly.
Microwave Method: Cook the mix in 2-minute increments, stirring well each time, for a total of 5–6 minutes.Oven Method: Spread the mix on a sheet pan and bake at 250°F for 45 minutes, stirring every 15 minutes.Slow Cooker Method: Cook on low for 3 hours, stirring every 30 minutes.
Spread the cooked mix on paper towels to cool completely.
Serve immediately or store in an airtight container for up to 2 weeks.
