Celery Slaw

Yield:	6 Sweet ones
Categories:	Vegetables, Side dishes, Diabetic

3	c	Celery; thinly sliced
1/2	c	Carrots; grated
1		Apple; unpeeled, cored, and diced
1/2	c	Mayonnaise;(low-cal)
2	tb	Sugar(used sugar substitute)
1/2	ts	Salt;
2	tb	Vinegar;
1/2	c	Walnuts; coarsely chopped (optional)