For the pasta, boil 1 l salted water. Boil the eggs hard for about 10 minutes. Clean, wash and slice the tomatoes and celery. Cook the noodles for about 8 minutes
In the meantime clean and wash the iceberg lettuce. Eighths and cut into strips. Peel and chop the onion. Quench eggs, peel. Drain noodles. Let both cool down
Drain the tuna. Puree 2/3 tuna, onion, 2 tsp. capers and lemon juice. Stir in yoghurt and mayonnaise. Season to taste. Pluck the remaining tuna into pieces
Mix with iceberg lettuce, tomatoes, celery, pasta, 1 teaspoon capers and salad dressing in a large bowl. Cut the eggs into slices and carefully fold in