Asparagus Chowder

Yield:	4 Servings
Categories:	Soups

2	md	Leeks, white part only, cleaned and chopped (about 2 1/2 cups)
1	tb	Butter
4	c	Vegetable stock, or stock of your choice
1	lb	New potatoes, unpeeled, cut into 1/4-to- 1/3-cubes
1	ts	Salt
1	ts	Fresh thyme leaves
2	lb	Asparagus, cleaned, trimmed and cut into 1/2 inch pieces
1/2	ts	Ground black pepper, freshly ground
1/4	c	Half-and-half
1/4	c	Parsley, finely chopped