Heat the oven to 200°C/400°F. Put the potatoes, cherry tomatoes, thyme and olive oil on a baking sheet and toss with salt and pepper and 1/2 tbsp of smoked paprika. Put in the oven and cook for 30 minutes.
Toss the chickpeas with the smoked paprika then add to the tray, mix together and then nestle the cod in with the vegetables. Put back in the oven for another 15 minutes.
Scatter the olives over and serve with lemon wedges.
Nutrition information is an estimate and will vary depending on the ingredients used.