Real Sauce A La King

Ingredients

55 gr butter
32 gr flour
1 gr salt
1 gr pepper
350 ml milk
180 ml cream
34 gr green pepper
2 pimientos
45 gr mushrooms
2 egg yolks
30 ml dry sherry

Instructions

In a double boiler, melt the butter. Stir in the flour and the seasonings. Gradually stir in the milk and light cream. Add the green pepper, pimientos and mushrooms. Stirring occasionally, cook the mixture for 10 minutes, or until it has thickened. Without stirring, cook gently for 10 minutes longer. Beat the egg yolks and sherry together. Add this mixture gradually to the sauce.