Whisk eggs and milk and season with salt. Heat 10 g fat in a frying pan and let the egg milk falter in it at medium heat. Occasionally push the eggs together to the middle. Cut the slices of bread into 4 small squares and spread with fat. Let the scrambled eggs cool down and cut out circles (approx. 4 cm Ø). Cover the bread appetizers with them. Cut the trout, salmon and eel into 10 pieces of the same size and place one piece on each snack.
Garnish trout filet bites with caviar, remaining bites with creamed horseradish, dill and lemon wedges. Wash the prawns and pat dry. Heat 15 g fat and oil in a frying pan and fry the prawns in it for 3-4 minutes. Season with salt, pepper and paprika. Mix ketchup and horseradish. Arrange fish bites and prawns on salad and serve garnished with dill