Low-Fat Buttermilk Dressing

1. 1

   Whisk together cornstarch, mustard, sugar, salt, and 1/4 cup buttermilk in a small heavy saucepan until smooth.

2. 2

   Whisk in remaining 3/4 cup buttermilk and egg until smooth.

3. 3

   Cook over moderate heat, whisking constantly, until mixture reaches a simmer, then simmer, whisking constantly, until thickened and custardlike, 4 to 6 minutes.

4. 4

   Remove from heat and whisk in lemon juice and oil.

5. 5

   Transfer dressing to a bowl and chill, its surface covered with wax paper, about 1 hour.

* Per serving · 4 servings · Values may vary.

No additional tips available.