Prepare chestnuts by cutting an X on the flat side with a sharp knife, then roasting in a 400 degree oven for 15 minutes.
Shell the nuts and chop coarsely.
Measure out 1 1/2 cups then put them in a blender or food processor and grind them to a fine powder or paste.
Mix all ingredients in a bowl, then transfer to a loaf pan.
Sprinkle with cayenne and bake at 350 degrees for an hour.
Cool completely, unmold, slice thin a serve with french bread or crackers.