Butternut Squash Soup 2

INGREDIENTS:

1/2 c Onion; Chopped, 1 Medium
2 tb Butter Or Margarine
2 c Chicken Broth
1 lb Butternut Squash; *
2 Pears; Pared and Sliced
1 ts Thyme Leaves; Fresh, Snipped
1/4 ts Salt
1/4 ts White Pepper
1/4 ts Coriander; Ground
1 c Whipping Cream