Fishermans Risotto

Name: Fisherman's Risotto
Ingredients: 1 white onion, diced; 400 grams risotto rice; 150 milliliters dry white wine; 1.5 liters vegetable stock; 500 grams skinless, boneless cod loins or fillets, cut into chunks; 200 grams garden peas, fresh or frozen; 500 grams clams, washed; 12 scallops; 5 sprigs parsley, roughly chopped; 3 sprigs dill, roughly chopped; 60 grams butter; 4 tablespoons olive oil; 100 grams Pecorino Romano cheese