Ingredients
About 500g potatoes, peeled and cut into 3-4cm chunks
About 500g parsnips, peeled, cut into 3-4cm chunks
3 tbsp sunflower oil
1 garlic clove, peeled and very finely chopped
1 tbsp coriander seeds
Half a dozen black peppercorns
½ tsp dried chilli flakes
1 tsp ground fenugreek
1 tsp ground turmeric
¼ tsp fine sea salt