Spicy Peas and Potatoes

​​​​​​​Serves 4 1 tsp Olive Oil 2 large onions, chopped 1 clove garlic, crushed 6 green cardamom pods 2 tbsp. cumin seeds 25g/1oz fresh root ginger, peeled and chopped 1 green chilli, seeded and chopped 1 bay leaf 1kg/2lb potatoes, cubed 1 tsp turmeric Salt and pepper...