Peel, wash and cut the turnip into strips. Cook in boiling salted water for about 5 minutes, drain. Peel onions, cut into rings. Boil up vinegar. Season with salt, pepper and marjoram.
Pour hot over turnips and onions and let it stand. Cut cucumber and roast into strips. Clean and wash lamb's lettuce, drain well. Warm up the jelly. Mix with mustard and oil. Season with salt and pepper. Mix all ingredients carefully, season again. Cut bread into large corners. Put on skewers.
Season with salt and pepper. Mix all ingredients carefully, season again. Cut bread into large corners. Put on skewers. Heat butter and toast bread while turning. Serve with the salad