Trophy Winning Spinach Dip

1 (10 ounce) package frozen chopped spinach, thawed and drained
1 (16 ounce) container sour cream
1 cup Best Foods? Real or Light Mayonnaise
    or Low Fat Mayonnaise Dressing
3 scallions, chopped
1 (1.4 ounce) envelope Knorr? Vegetable Soup & Recipe Mix
1 (8 ounce) can water chestnuts, drained and chopped (optional)
1 large unsliced oval or round loaf of bread, hollowed out (optional)

In medium bowl stir all ingredients until well mixed. Cover; chill 2 hours to blend flavors.

Stir before serving. If desired, spoon dip into hollowed-out bread loaf.

Makes about 4 cups.