Boil the egg hard-boiled. Boil potatoes and carrots in their skins until tender, about 30 minutes. Wash the green onions and chop finely.
Divide the cabbage into inflorescences and place in boiling water for 5-6 minutes.
Peel the boiled potatoes, carrots and eggs and cut into small cubes. Also cut the cauliflower and crab meat into cubes.
Combine all ingredients in a deep bowl, add sour cream, mayonnaise, salt, pepper and green onions, mix.
Serve the salad with cauliflower and crabmeat, garnished with fresh parsley or dill. For a festive table, you can beautifully place it on a dish using a salad ring. This way the salad will look like in a restaurant.