Wrap the beets in foil and place on a rack, set over a pan of hot water. Roast
in a preheated 400 degree oven for 40 minutes. When cool enough to handle, peel
, and slice into 1/4 inch disks.
the dry mustard into the buttermilk
, then mix in the grain mustard, dill, onion
and herring. Refrigerate the herring for 1 hour. Fan beets out on Bibb lettuce
. Place herring
mixture on top.