Peel and finely chop the onion. Peel, wash and thinly slice the celery. Cut the slices smaller
Heat clarified butter in 2 coated frying pans. Spread the celery on both pans and fry for 8-10 minutes, turning
Meanwhile wash the marjoram, shake dry and pluck off the leaves. After about 6 minutes add half onion, half ham cubes and half marjoram. Season with salt and pepper