Clean the salmon trout thoroughly and dab dry. Rub the inside and outside with salt and pepper. Place on a greased grease pan of the oven. Cut the fish crosswise several times.
Finely dice the bacon. Peel shallots, chop half finely. Wash and chop parsley. Wash lemons and dab dry. Grate the zest of 1 lemon. Halve the lemon and squeeze the juice.
Clean the mushrooms, wash them and chop them finely. Mix the prepared ingredients. Fill into the incised slots and into the abdominal cavity. Cut the remaining lemon into slices and place in the abdominal cavity as well.
Cook in the preheated oven (electric cooker: 200 °C/ gas: level 3) for about 20 minutes. In the meantime, cut the remaining shallots into slices. Clean, wash and quarter the tomatoes. Remove seeds.
Wash and sort spinach. Heat the fat. Fry the shallots briefly. Add the spinach and let it collapse while stirring. Season with salt and pepper. Dice tomatoes and fold in. Arrange fish and vegetables on a plate.
Garnish with lemon slices, parsley and dill.