Peel and finely dice the onion and garlic. Heat 1 tablespoon of oil in a pot, fry the onion and garlic over a low heat until transparent. Add rice and sauté briefly. Gradually add stock and wine, stirring from time to time.
Always add the next portion of liquid only after the rice has absorbed the liquid. Cook for a total of 30-35 minutes. Cut off the stalk of the bell pepper about 1 1/2 cm thick as a lid. Remove the seeds and wash the bell peppers.
Grate parmesan. Clean and wash the spring onion and cut into fine rings. Fish wash, dab dry and cut into cubes. Dill wash, shake dry, pluck flags from stems and cut finely.
Add spring onions, salmon, dill, cream and parmesan to the risotto. Season to taste with salt and pepper. Fill the peppers with risotto. Bake in the preheated oven (electric cooker: 200 °C/ convection oven: 175 °C/ gas: level 3) for about 20 minutes.