Cook the rice in salt water for about 20 minutes. In the meantime, wash fish, dab dry and cut into cubes. Sprinkle with lemon juice and season with salt and pepper. Peel onion and garlic and chop finely.
Clean, wash and cut the peppers into large pieces. Heat oil in a pan and fry the fish pieces in it at medium heat until golden brown all around. Remove from the pan and set aside.
Add onion, garlic and paprika to the frying fat and fry for about 5 minutes. Season with salt, pepper and paprika and deglaze with broth. Bring to the boil and braise at low heat for 5-6 minutes.
Finally, stir in 200 g of sour cream and season to taste again. Add fish and heat briefly. Wash parsley, dab dry and chop finely. Sprinkle over the fish pan and add the remaining sour cream as a blob.
Serve garnished as desired with parsley and a lemon wedge. Serve with rice.