1 (10 oz.) pkg. frozen chopped spinach
1 1/2 c. vanilla yogurt or 1 1/2 c. sour cream
1 c. mayonnaise
1 pkg. Knorr soup mix
1 (8 oz.) can water chestnuts, chopped
3 chopped green onions

Thaw and squeeze spinach. Blend all ingredients well. Cover and refrigerate for 2 hours. Stir and serve.