First cut the bacon and the onion into fine cubes, add the bacon to the pan and let it roast. Add the onion and sweat, add the chanterelles and season with salt and pepper. Let everything sear well in the pan. Add creme fraiche and bring to the boil briefly. Before serving, refine the creamed chanterelles with a dash of balsamic vinegar and the chives rolls. If necessary, add a little salt to taste again.