Preheat the oven
Preheat your oven to 250°F (120°C).
Prepare the snack mix
In a large bowl, combine Chex cereal, pretzels, crackers, and nuts.
Make the sauce
In another bowl, mix melted butter, soy sauce, sugar, and garlic powder.
Coat the mixture
Pour the sauce over the cereal mixture and toss gently until evenly coated.
Add furikake
Sprinkle furikake seasoning over the mix and stir well.
Bake the mix
Spread the mixture evenly on a baking tray.
Bake slowly
Bake for 45–60 minutes, stirring every 15 minutes for even coating.
Cool and serve
Let it cool completely until crispy, then store in an airtight container.