Strain the yolks and add them to the sauce; stir carefully over a moderate heat until it simmers, but on no account must it boil or the eggs will curdle. When it thickens (about one minute) it is done. This is a very rich sauce.

[No. 165.]—Haricot Bean Sauce.

Boil altogether for two hours (excepting salt, which must be added later), the seasonings being tied up in a little piece of muslin so as to be easily removed; strain and thicken with the paste of flour and butter, stirring over the fire until it boils.

[No. 166.]—Lentil Sauce.

Simmer the lentils with the peppercorns, herbs, and onion sliced, for about twenty minutes; add the tomato juice and salt; simmer for another twenty minutes. Strain, and thicken with the flour and butter.

[No. 167.]—Lentil Sauce.