Spinach Dip in Pumpernickel

Yield:	6 Servings
Categories:	Oriental, Dips

10	oz	Package frozen, chopped spinach, drained
1	pk	Knorr's Swiss Vegetable Soup
1	c	Mayonnaise
2	c	Sour cream
8	oz	Can water chestnuts, chopped
1	sm	Onion, chopped
1		Round pumpernickel loaf, hollowed