Butternut biryani with cucumber raita

Name: Butternut biryani with cucumber raita
Ingredients: 20g dried porcini mushrooms roughly chopped; 1 tbsp rapeseed oil; 2 onions sliced (160g); 2 garlic cloves shredded; 1 tbsp chopped fresh ginger; 1 red chilli deseeded and chopped; 85g brown basmati rice; 160g diced butternut squash (prepared weight); 1 tsp cumin seeds; 1 tsp ground coriander; 1 tsp vegetable bouillon; 10cm length cucumber grated, core removed; 125g bio yogurt; 2 tbsp chopped mint plus a few leaves; one third of a pack fresh coriander chopped; 25g toasted flaked almonds