Vegetable biryani with green raita

Name: Vegetable biryani with green raita
Ingredients: 100g wholemeal basmati rice; 2 tsp rapeseed oil; 1 large onion halved and sliced (200g); 2 carrots cut into small dice (160g); 200g cauliflower cut into bite-sized pieces; 2 tbsp medium curry powder; 1 cinnamon stick snapped in half; 1 tsp cumin seeds; 1 tbsp finely grated ginger; 3 large garlic cloves finely grated; 150g pot bio yogurt; 2 tsp vegetable bouillon powder; 25g roasted cashews (not salted); 160g frozen peas; handful of mint finely chopped; 2 handfuls of fresh coriander finely chopped