Quarter the peppers, clean, wash and cut into pieces. Clean, wash and slice the spring onions. Peel garlic and chop finely. Fish wash, dab dry and cut in half.
Heat the oil in a coated pan. Fish in it from both sides sear, take out. Fry vegetables and garlic in it. Wash, clean and dice the tomato. Add to vegetables. Stir in tomato paste and add tomato juice.
Season with salt, pepper and tarragon, bring to the boil. Add olives and caper apples. Place the fish on top of the vegetables and braise for about 5 minutes in the closed pan over medium heat. Arrange vegetables and fish on a plate and garnish with tarragon.