Nancy reported that this salad dressing recipe is originally from “Lancaster Entertains”, a cookbook published by the Lancaster Medical Society Auxiliary–at least 50 years ago! It is credited to Evelyn Jones, a friend of Nancy’s mother.
Nancy keeps a jar in her fridge, using it as her go-to salad dressing. I find it well suited for a basic spinach and strawberry salad and almost anything with fruit, nuts, and cheese. Moreover, the slight sweetness perfectly balances bitter greens and vegetables such as radishes.