Hard boil eggs. Cook pasta in plenty of boiling salted water for 7-8 minutes until al dente. Add frozen peas. Quench the pasta with the peas and drain. Quench the eggs. Let everything cool down.
Clean and wash spring onions and mushrooms. Cut spring onions into rings, mushrooms into slices.
Heat the oil in a large frying pan. Sauté the mushrooms in it. Spring onions approx.
Fry for 1 minute. Season with salt and pepper. Take out and let cool down.
Mix yoghurt, sour cream, mayonnaise and vinegar. Season to taste with Worcester sauce, salt, pepper and about 1 teaspoon sugar. Peel eggs and dice roughly. Mix with noodles, peas, mushrooms and spring onions into the salad dressing.
Leave to soak for at least 1 hour. Season salad again.