Cranberry Salad with Celery

2 (12 ounce) packages cranberries

4 cups white sugar

1 cup diced celery

1 cup chopped walnuts

2 (12 ounce) containers frozen whipped topping, thawed

1 (10.5 ounce) package miniature marshmallows

Finely chop cranberries in blender or food processor. Place in a non-reactive bowl, cover with sugar, and let sit 4 hours.

Combine sugared cranberries with celery, walnuts, whipped topping and marshmallows; stir to coat thoroughly. Refrigerate until serving.