This is mostly about the sauce. You may wish to cut the sprouts in half to allow the sauce to seep into the layers.
1 pound (500 gr) brussels sprouts
1 tablespoon butter or olive oil
1 shallot, chopped
1 cup (250 ml) heavy cream
¼ cup (60 ml) Marsala
1 tablespoon or more prepared, or freshly grated, horseradish
a grating of nutmeg
salt and pepper
Trim the sprou…