Cut the ham slices in half. Wash the tomato and cut into 8 thin slices. Peel and finely chop the onions. Wash parsley, shake dry and chop. Heat 1 tablespoon of oil. Brown the tomato slices on each side, season with salt and pepper and remove.
Sauté onions in hot frying fat. Stir in parsley.
Wash the meat, dab dry and tap flat between foils. Season with salt and pepper. Place 1 slice of ham, 2 slices of tomato and 1-2 tbsp. onion mixture on each half of the escalope.
Fold the meat over the top and cover with a wooden skewer.
Wash the asparagus, cut off the woody ends. Cook the asparagus in 1⁄2 l boiling salted water covered with 1 teaspoon sugar for 5-6 minutes. Lift out, quench, drain and place in four small ovenproof dishes or a large mould.
1⁄4 l Set cooking water aside.
Heat 2 tablespoons of butter. Sauté the flour in it. Stir in milk and cooking water, bring to the boil and simmer for about 5 minutes. Stir in lemon peel. Season sauce with salt, pepper and nutmeg. Pour over the asparagus.
Grate cheese over it. Spread 2 tablespoons of butter in flakes on top. Bake in the preheated oven (electric cooker: 200 °C/circulating air: 175 °C/gas: see manufacturer) for 12-15 minutes.
Heat 2 tablespoons of oil in a frying pan. Fry the escalopes for 4-5 minutes on each side. Serve with the asparagus. Parsley potatoes taste good with it.
Drink tip: white wine, e.g. a Soave.