Preheat the oven to gas mark 6.To make the chips, put the torn pittas on a baking tray and drizzle with the oil. Scatter with paprika and bake for 15 minutes until crisp and golden.Put the feta in a small ovenproof dish. Scatter over the thyme, chilli and garlic, then drizzle with the oil. Bake for 10 minutes.Toss the salad ingredients in a bowl, then top with the feta and serve with pitta chips.