Peel and halve 1 onion. Bring to the boil with 1 l of strongly salted water and lemon juice. Wash the carp and cut into pieces of about 5 cm width. Let them simmer in boiling water for 3-4 minutes. Take out the fish. Peel the skin with a knife
Heat 2 tablespoons of fat. Fry the fish for 2-3 minutes on each side. Season with salt and pepper. Keep warm
Peel 1 onion, dice finely. Heat 1 tablespoon of fat in the frying fat. Sauté onion in it. Add stock and cream, bring to the boil. Stir in horseradish and let it boil down for 5-10 minutes until thick. Season to taste
Clean, wash and chop the tomato. Wash and chop the dill. Add both to the sauce. Served with: boiled potatoes and salad
Drink: cool white wine