Directions:
Half a teacupful of butter, the juice of half a lemon, the yolk of two eggs, a speck of cayenne pepper, half a cupful of boiling water, half a teaspoonful of salt; beat the butter to a cream, add the yolks of eggs one by one; then the lemon juice, pepper and salt, beating all thoroughly; place the bowl in which is the mixture in a saucepan of boiling water; beat with an egg-beater until it begins to thicken which will be in about a minute; then add the boiling water, beating all the time; stir until it begins to thicken like soft custard; stir a few minutes after taking from the fire; be careful not to cook it too long. This is very nice with baked fish.