Peel and chop the onions. Cut the ham into strips. Clean spinach, wash thoroughly and sort out. Blanch in boiling salted water for 1-2 minutes. Drain
Fill the brunch pan approx. 2 cm with water and bring to the boil. Grease the bowls and add 1 egg each. Put them in the insert and cook covered for 8-10 minutes. (Or boil up about 1 l salted water with vinegar. Beat the eggs one by one into a cup and let each one slide in carefully. Leave to simmer for 3-4 minutes).
Fry the onions and ham in hot oil. Add the spinach and let it collapse. Season with salt, pepper and nutmeg
For the hollandaise, melt butter and let it cool down. Beat the egg yolk and wine in a hot water bath until thick and frothy. Beat the butter first drop by drop, then in a thin stream. Do not boil! Season to taste with lemon juice, mustard, salt and pepper
Remove the eggs from the moulds (or lift them out of the water) and season. Arrange everything. Goes well with baguette
Drink: mineral water