In a 13x9x2 baking pan combine Crispix, Cheez-It crackers and pretzels. Set aside.
Stir together remaining ingredients in a small bowl. Drizzle over cereal mixture and stir until evenly coated.
Bake at 250F for 45 minutes, stirring every 15 minutes. Spread on paper towels and cool completely. Store in an airtight container.