Clean, wash and roughly dice the peppers. Peel shallots and cut into rings. Fry both in 1 tablespoon of oil for about 5 minutes. Sprinkle with 2 tablespoons of sugar and caramelise. Add vinegar and cream, bring to the boil and simmer for about 3 minutes. Season with salt and pepper.
Wash the fish, pat dry and cut into 4 pieces. Season with salt and pepper, turn in flour. Fry in 2 tablespoons of hot oil on each side for about 3 minutes. Fry the lemon slices briefly. Arrange paprika vegetables and fish with 1 lemon slice each. Wash the mint, pluck off the leaves and sprinkle on top.