Wash the wild garlic, chop roughly. Puree yoghurt and wild garlic. Stir in mayonnaise. Season to taste with salt, pepper and lemon juice and let it stand. Peel and wash the potatoes, dab dry carefully.
Cut or slice them finely. Fry in hot oil in portions for 3-4 minutes. Drain on kitchen paper. Shortly before serving, deep-fry in hot oil for another 3-4 minutes until golden brown. Drain and sprinkle with salt. Finally, fry the parsley stems until crispy. Heat the oil in a pan. Fry the fish fingers for about 6 minutes while turning them over. Season mayonnaise again.
Finally, fry the parsley stems until crispy. Heat the oil in a pan. Fry the fish fingers for about 6 minutes while turning them over. Season mayonnaise again. Serve the fish fingers with mayonnaise of wild garlic and fried potato slices. Garnish with lemon wedges