Reduce heat to low and cook, stirring constantly for 20 minutes.
Reduce the heat to low and stir constantly for 10 minutes.
Add heavy cream and heat through, stirring constantly, about 2 minutes.
Then begin to add the remaining stock about half a cup at a time, stirring constantly.
Lower the heat and continue cooking for 15 minutes, stirring constantly.
Place over very low heat and toast, stirring constantly, for 10 minutes.
Begin to add the stock half a cup at a time, stirring constantly.
You get the sense that they're constantly stirring the pot.
Cook over low heat, stirring constantly, for three to four minutes.
Place over low heat and cook, stirring constantly, for 2 minutes.