Stuffed butternut squash

Name: Stuffed butternut squash
Ingredients: 150g pearl barley; 1 vegetable stock cube; 25g pine nuts; 25g flaked almonds; 1 tsp fennel seeds; 2 tsp coriander seeds; 1 large butternut squash (about 1.2kg); 3 tbsp olive or rapeseed oil plus a drizzle; 1 red onion finely chopped; 1 leek finely chopped; 2 garlic cloves finely chopped; 200g feta crumbled; small bunch sage leaves picked and chopped; few sprigs rosemary leaves picked and chopped; 50g dried cranberries or apricots, chopped, or a mixture of both; 1 lemon zested; 2 tbsp tahini; 1 lemon juiced; 1 tbsp honey; small bunch parsley chopped