Season the vinegar with sugar, salt and pepper, fold in the oil. Wash spinach and shake dry. Sprinkle each camembert with 1 teaspoon honey. Wrap the camembert in the spinach. Wash the herbs, clean if necessary and shake dry, spread on the camembert.
Wrap each camembert in foil and place on a baking tray. Bake in a preheated oven (electric cooker: 150 °C/ convection oven: 125 °C/ gas: see manufacturer) for approx. 15 minutes.
Arrange the ham on 4 plates. Remove the camembert from the oven, wrap it in aluminium foil and spread it on the ham, sprinkle with the vinaigrette.