Vegetable biryani

Name: Vegetable biryani
Ingredients: 60ml (¼ cup) vegetable oil; 1 brown onion, sliced; 4 garlic cloves, chopped; 2 tsp grated fresh ginger; 6 cardamom pods, crushed; ½ tsp ground turmeric; 1 tsp ground cumin; 1 long green chilli, seeded and chopped; 1 large carrot, chopped into 2cm pieces; 1 large potato, chopped into 2cm pieces; 125g frozen peas; 300g (1½ cups) basmati rice; 6 dried apricots, sliced; 35g (¼ cup) slivered almonds, toasted; ¼ cup coriander leaves, chopped, plus whole leaves, to serve