Soup greens clean or peel, wash and roughly chop. Peel the onion. Wash the turkey breast. Boil 3 l water, bay leaf, cloves, 2 tsp salt, onion and peppercorns in a large pot. Add meat and cook over medium heat for about 1 hour.
Skim off any foam with a skimmer. Let the meat cool in the stock.
Finely puree tuna, mayonnaise, sour cream, 5-6 tablespoons meat stock, capers and 1 teaspoon caper juice with a hand blender. Season to taste with salt and pepper. Wash tomatoes, dice finely and add to the sauce.
Wash basil, shake dry, pluck off leaves and chop.
Cut the turkey breast into thin slices, arrange them fan-shaped and drizzle some tuna cream over them. Sprinkle with basil. Garnish with salad and caper apples. Add the rest of the tuna fish cream.