Brussel Sprouts with Chestnuts

“For aggressiveness and determined lack of subtlety, sprouts have no peer,” Richard Olney wrote; he advocated “shock treatment” with “bacon, anchovy, vinegar, hard-boiled eggs” (not all of them at once). The less fresh that brussels sprouts are, the stronger they are. They’re freshest when they’re broken from a newly harvested stalk. Left standing in th…