Mash half of the anchovies with the butter, melt in a pan and brown the beef in it. Remove the meat and discard the butter. Using a larding needle or a sharp knife, make small holes in the meat and insert the remaining anchovies.
Finely chop the carrots, onion and celery and combine to make a mirepoix. Place the mirepoix of vegetables on the bottom of a heavy pan or casserole. Put the b