Peel the tomatoes, remove the stalk and cut into small pieces. Cut the cooked ham into small pieces.
Grease the baking dish with butter and add half of the macaroni. Then put the ham, then the tomatoes and half of the cheese on top. Place the remaining macaroni on top and sprinkle the cheese on top.
Mix the cream and eggs with salt, pepper and nutmeg and spread over the casserole.
Bake the casserole in hot air for 30 minutes at 180 ° C.