Bring to the boil, cover closely and cook over very low heat about one hour.
Cover and cook over medium low heat until tender, about 20 to 25 minutes.
Cover closely and cook over moderately low heat about 10 minutes.
Add red wine, and cook over medium-high heat until reduced to about one cup.
Cook about 2 minutes over high heat, stirring and tossing.
Add the liver and cook it over medium-high heat on one side for about 2 minutes.
Cover and cook over very low heat until the pumpkin is tender, about 20 minutes.
Cook the lentils over very low heat for an hour.
Cover and cook over very low heat 45 minutes.
When the oil is very hot add the slices and cook over moderately high heat for about 5 minutes or until brown.