Mock hollandaise sauce

About 1 cup

1 cup thick white sauce, made with 3 tablespoons flour and 3 tablespoons fat (p. [57])
2 egg yolks, slightly beaten
2 tablespoons lemon juice

Make 1 cup of thick white sauce. Add a little hot white sauce to beaten egg yolks; then stir egg mixture into remaining white sauce. Cook 1 minute over low heat.

Stir in lemon juice. Serve immediately.

Can be served with asparagus, broccoli, or spinach.

Note: Use yolks from clean, sound-shelled eggs in this recipe.