6 oz. spaghetti, cooked
1 1/2 c. mayonnaise
1 tsp. dry mustard (may want less)
1 tsp. salt
2 c. chicken, cubed
1 1/2 c. halved red seedless grapes
1 c. celery, sliced
1/2 c. green pepper, chopped
4 oz. mushrooms, drained

Combine and chill several hours or overnight before serving.