Preheat your oven to 250 degrees. Combine your cereals, snacks, and nuts in a large roasting pan.
Meanwhile, melt your butter in a small saucepan. When butter is melted, add in Worcestershire sauce and desired seasonings and stir for a few minutes on medium heat.
Pour your sauce mixture over your cereal mixture and toss to coat. Bake for 45 minutes, stirring every 10-15 minutes. Spread mixture in a thin layer on foil parchment paper to cool.
Store in an airtight container in the pantry for up to 2 weeks or in the freezer for up to 3 months.