01 -
Set the oven to 120°C (250°F) to preheat.
02 -
Melt the butter in a saucepan or microwave-safe bowl. Stir in Worcestershire sauce, seasoning salt, garlic powder, and onion powder until fully combined.
03 -
Divide half the Rice Chex between two large roasting pans. Drizzle a few tablespoons of the seasoned butter mixture over the cereal.
04 -
Add half the Corn Chex to each pan. Evenly distribute, then drizzle a few more tablespoons of the butter mixture over the top.
05 -
Distribute two bags of garlic bagel chips into each pan and spread evenly. Drizzle additional butter mixture over the chips.
06 -
Evenly split the pretzels and mixed nuts between the pans. Drizzle several tablespoons of butter mixture over the pretzels and nuts.
07 -
Using a rubber spatula, gently fold all ingredients together to avoid crushing the cereal. Drizzle any remaining butter mixture over the mix and combine until lightly coated.
08 -
If desired, dust the top layer of each pan with additional garlic powder, seasoning salt, and a light shake of Worcestershire sauce.
09 -
Bake in the preheated oven for 15 minutes. Remove from the oven and gently stir the mixture with a rubber spatula.
10 -
Repeat baking and gentle stirring every 15 minutes for a total baking time of 1 hour and 15 minutes. Optionally add more garlic powder, seasoning salt, or Worcestershire sauce to taste between intervals.
11 -
Allow the mix to cool in the pans, or spread onto sheet pans if preferred. Store in an airtight container once completely cooled.