Ingredients

1-1/2 cups sugar1/2 cup all-purpose flour1-1/2 cups cold water1 teaspoon butter1 teaspoon vanilla extract6 cups cubed apples2 cups halved red seedless grapes1 cup diced celery1 cup walnut halves

Preparation

In a large saucepan, combine sugar and flour. Stir in water until smooth; bring to a boil. Cook and stir for 2 minutes or until thickened and bubbly. Remove from the heat; stir in butter and vanilla. Cool to room temperature.

In a large bowl, combine the apples, grapes, celery and walnuts. Add the dressing and toss gently. Refrigerate until serving.