1 Clean and slice the mushrooms. Peel and chop the shallots, fry them in a frying pan with 20 g butter and a drizzle of oil. Add the mushrooms and cook for 15 minutes while stirring. Add salt and pepper.
2 Melt the remaining butter in a saucepan, add the flour and whisk for 2 minutes. Pour in the milk and continue to whisk until the béchamel thickens. Add salt, pepper and nutmeg.
3 Preheat the oven to 180 °C (th 6). Crumble the fresh goat's cheese and add it to the béchamel sauce. Add the cream and mix. Cut the ham into small cubes, grate the parmesan cheese.
4 Assemble the lasagne in 4 small oiled oven dishes: alternate sheets of lasagne, mushrooms, ham and béchamel sauce. Repeat the operation twice, finishing with béchamel sauce. Sprinkle the parmesan cheese and put in the oven for 30 minutes.