Old-Fashioned Boiled Salad Dressing

Ingredients

• 1/2 cup granulated sugar
• 1 teaspoon salt
• 1 teaspoon dry mustard
• 1 tablespoon all-purpose flour
• 1/2 cup milk
• 1 egg, beaten
• 1/2 cup cider vinegar
• 1/2 cup sour cream

Instructions

1. In a saucepan, combine sugar, salt, mustard and flour.
2. Add milk and beaten egg.
3. In a separate pan, heat the vinegar and gradually add to the mixture. Cook over low heat until dressing has thickened.
4. Cool slightly and mix with sour cream.