Dill Sauce

This delicate sauce is delicious with fish.

2 tablespoons shortening
2 tablespoons butter
1 cup chopped and firmly packed
    fresh young dill weed
1 teaspoon granulated sugar
Salt, to taste
2 cups chicken broth
2 to 3 tablespoons flour
1 cup milk
1/2 cup light cream
4 tablespoons vinegar
Juice of 1/2 lemon
1/4 teaspoon white pepper
1/2 cup light cream
1 cup sour cream

In large saucepan, melt shortening and butter over medium heat. Add dill, sugar and salt. Stir until thoroughly heated. Add chicken broth and bring to a boil. Mix flour with milk and 1/2 cup light cream. Pour mixture into boiling liquid, stirring constantly with whisk. Reduce heat. Add vinegar, lemon juice and white pepper. Simmer for at least 20 minutes, stirring occasionally.