Wash the plaice fillets, dab dry and cut in half. Sprinkle with lemon juice, salt and let stand. In the meantime, sort out the spinach, wash and drain. For the sauce melt 30 g fat.
Sweat flour in it. Add tomato juice and cream while stirring constantly, bring to the boil. Season with salt and pepper. Peel and finely dice onions. Clean, wash and quarter the tomatoes, remove seeds.
Finely dice the tomatoes. Wash and chop the parsley. Steam onions in the remaining fat until golden brown. Add the tomatoes. Fold in lemon zest and parsley. Peel garlic and press it through a garlic press.
Fry in 1 tablespoon of hot oil. Add the spinach and let it collapse completely. Season to taste with salt and pepper. Turn the plaice fillets in flour and fry in the remaining hot oil on each side for about 2 minutes.
Arrange the spinach with the sauce and plaice fillets on a plate and spread the tomato mixture on top. Serve garnished with lemon wheels.