Ingredients
2 tablespoons all-purpose flour1 tablespoon sugar1 cup whole milk1 egg2 large Golden Delicious apples, chopped2 large Red Delicious apples, chopped1/2 cup finely chopped celery1/2 cup seedless red grapes, quartered1/2 cup chopped walnuts, toasted
Preparation
In a small heavy saucepan, combine the flour and sugar. Gradually whisk in milk until smooth. Cook and stir over medium-high heat until thickened and bubbly. Reduce heat; cook and stir 2 minutes longer. Remove from the heat. Stir a small amount of hot mixture into egg; return all to the pan, stirring constantly. Bring to a gentle boil; cook and stir 2 minutes longer. Remove from the heat.
Transfer to a small bowl. Cool to room temperature without stirring. Cover surface of salad dressing with waxed paper; refrigerate until cooled.
Just before serving, combine the apples and celery in a large salad bowl. Drizzle with dressing; gently toss to coat. Sprinkle with grapes and walnuts.
