Take the fish out of the package and let it thaw for 20-30 minutes. Prepare rice in boiling salted water according to package instructions. Wash fish fillet, dab dry and cut into pieces. Drizzle with lime juice. Clean and wash the fennel and bell peppers and cut into strips.
Peel and halve the cucumber and cut it into slices. Peel and finely dice shallot. Heat oil. Fennel, paprika and cucumber briefly sauté. Season with salt and pepper. Add wine and stock and bring to the boil and cook for 4 minutes. Add fish and olives and let it simmer for about 6 minutes at low heat. Wash the dill, dab dry and pluck some flags from the stalk. Thicken sauce with sauce thickener.
Season with salt and pepper. Add wine and stock and bring to the boil and cook for 4 minutes. Add fish and olives and let it simmer for about 6 minutes at low heat. Wash the dill, dab dry and pluck some flags from the stalk. Thicken sauce with sauce thickener. Arrange rice and ragout on plates