Wash the meat and put it in a large pot with the spices. Cover with water and bring to the boil. Cover and simmer at low heat for about 2 1⁄4 hours. In the meantime knead breadcrumbs, sugar, 3 tablespoons mustard and eggs.
Season with salt and pepper.
Remove the roast ham from the stock and measure a good 600 ml stock for the sauce. Drain the roast, place it on the fat pan and let it rest for 10-15 minutes. Spread the mustard crust on the roast and press on.
Bake in the preheated oven (electric cooker: 200 °C/circulating air: 175 °C/gas: see manufacturer) for 20-25 minutes.
For the sauce, bring 600 ml of stock to the boil. Stir in honey and 2 tbsp. mustard and let everything boil down for about 10 minutes. Stir starch and 3 tablespoons of water until smooth, thicken sauce with it. Season to taste with salt and pepper.
Take out the julienne ham and cut it open with an electric knife. Serve with sauce. Serve with vanilla red cabbage and potato cookies.