Basque Style Steamed Clams (Almejas Guisadas)

Yield:	6 Servings
Categories:	Seafood, Ethnic

4	qt	Cherrystone clams
4		Cloves garlic, minced
1		Onion, about 1" in diameter, minced
1	tb	Parsley, minced
1	tb	Olive oil
1/2	c	Dry white wine
1/2	c	Water (or additional clam liquid)
1/4	ts	Black pepper, freshly ground