Step 1

1 Position a rack in the middle of the oven and preheat to 250 degrees

Step 2

2 In a small bowl, whisk together the oil

Step 3

3 Worcestershire sauce, rosemary, salt, garlic powder, onion powder, cumin and the cayenne pepper, if using

Step 4

4 In a large bowl, mix together the cereal, chickpeas, pita chips, almonds and pumpkin seeds

Step 5

5 Drizzle with the spiced oil mixture and toss until evenly coated

Step 6

6 Spread the mix over a large, rimmed baking sheet and bake for 1 hour, stirring every 20 minutes, until ingredients are slightly darkened and just crisp

Step 7

7 Transfer the baking sheet to a wire rack and let cool