400g/14oz vegetable selection (such as red onion, courgettes, aubergines and peppers) chopped into chunks.
1 garlic clove, finely chopped
1 lemon, zest and juice
1 tbsp finely chopped fresh mint
1 tbsp fresh thyme leaves
1 tsp mint sauce
2 tsp coriander seeds
2 tsp cumin seeds
1 tsp fennel seeds
2 tbsp olive oil
150ml/5fl oz Greek-style yoghurt
800g/1lb 12oz monkfish, cut into chunks