Sunflower Ragu Rigatoni

Name: Sunflower Ragu Rigatoni
Cuisine: European, Italian, Mediterranean
Ingredients: 20g dried porcini mushrooms, roughly chopped; 100g sunflower seeds; 1 medium white onion, roughly chopped; 1 carrot, roughly chopped; 1 stick of celery, roughly chopped; 1 tbsp olive oil, for cooking; 300g chestnut mushrooms; 3 crushed garlic cloves; 400g tin of chopped tomatoes; 1 tbsp tomato puree; 1 tsp dried thyme; 1 tsp dried rosemary; 1 tbsp brown miso paste; 360g rigatoni; 5g chopped fresh parsley