Mushroom ragu

Name: Mushroom ragu
Cuisine: European, Italian, Mediterranean
Ingredients: 1 tsp rapeseed oil; 1 leek, finely sliced; 250g mixed mushrooms; 2 cloves garlic, very thinly sliced; pinch chilli flakes; 1 heaped tsp dried oregano; 2 tsp pumpkin seeds, toasted; 2 tsp sunflower seeds, toasted; 1 courgette, spiralised; 1 large carrot, spiralised; 2 tbsp 0% fat yoghurt; good grind black pepper; 5g Parmesan cheese shavings; sprigs fresh basil, to garnish