1) For the pitas: Preheat oven to 180C/Gas 4.
2) Place the pitas onto a large baking sheet and spray with cooking spray. Combine the spice blend and sprinkle onto the torn pitas. Place the baking sheet into the oven and bake for about 10 minutes, or until golden brown.
3) For the salad: Combine garlic, lemon juice, olive oil, salt and pepper, to taste, in a salad bowl. Add the peppers, tomatoes, onions, parsley, mint and pita chips to the bowl, toss.