Preheat oven to 200°C (fan).
Scatter tomatoes (including semi-dried), olives, capers and thyme in a shallow, ovenproof baking dish and gently toss. Make a few little gaps among the tomatoes and tuck in the feta pieces.
In a jug, mix the olive oil, garlic, chilli flakes, oregano and turmeric, then spoon the mixture over the tomatoes and feta. Season with salt and pepper.
Place in the oven and bake for 15 - 20 minutes, until the feta is soft when pressed and the tomatoes are gently bursting from their skins and slightly caramelised. Serve with chargrilled sourdough, a crusty baguette, or your favourite gluten-free bread.