11.   Add to the skillet, raise heat to high and stir once or twice while browning.

12.   Add duck, raise heat to medium-high, and brown on all sides.

13.   Add milk or water, raise heat and bring mixture to a simmer.

14.   Add squash, raise heat and bring to boil, stirring frequently.

15.   Add wine to the skillet, raise heat to medium-high and scrape the particles at bottom of the skillet with a wooden spoon.

16.   Add apple and quince, and raise heat to medium-high.

17.   Add the lamb and raise the heat for a few minutes, mashing with the fork as you brown the meat.

18.   Add the tomatoes, raise heat to moderately high and cook, stirring, until they collapse into a coarse sauce.

19.   Add vinegar, and raise heat to high.

20.   Add vinegar, and raise the heat to high.