Step 1

Preheat the oven to 180C/160C Fan/Gas Bring a large saucepan of water to the boil and add the cauliflower. Blanch for 2-3 minutes, then drain. Put a tea towel over the steaming cauliflower and leave to dry for a few minutes.

Step 2

Mix the lime juice and zest with the garlic and oil. Put the cauliflower and cashew nuts in a roasting tin and pour over the lime and garlic mixture, mixing thoroughly. Season with salt and pepper.

Step 3

Roast in the oven for 10 minutes, then sprinkle over the parmesan. Roast for a further 10 minutes until the cashew nuts are golden-brown and the cauliflower has started to brown in places. Serve.