This section is from the book "A New Book Of Cookery", by Fannie Merritt Farmer. See also: How to Cook Everything: 2,000 Simple Recipes for Great Food.
2 tablespoons butter.
3 tablespoons flour 1 cup fish stock.
1/3 cup heavy cream.
1/2 teaspoon salt Few grains pepper Few grains cayenne 2 tablespoons sauterne.
Melt butter, add flour and stir until well blended; then pour on stock gradually while stirring constantly. Bring to the boiling point and add cream and seasonings. Again bring to the boiling point and color green.