Continue for about 20 minutes, until cream has thickened like custard and you can see bottom of pan as you draw spoon through cream.

Cook until cream has thickened slightly, about 1 minute.

Add cream and cook several minutes until hash is heated through and cream has thickened somewhat.

Process again until smooth; do not overprocess, or the cream will thicken.

Stir in the cream and simmer about five minutes, until the cream has thickened somewhat.

Add the cream, increase the heat and cook for a minute or so, until the cream has thickened slightly.

Add 1 cup heavy cream and simmer till the mixture thickens slightly, about 5 minutes.

Stir in the pepper flakes and cream and cook a few minutes, until the cream has thickened slightly.

Cook over low heat, stirring, about 10 minutes, until the cream has thickened enough to cling to the lentils.

Add the cream, uncover and continue cooking until the cream has thickened and the pumpkin is tender, another five to eight minutes.