Wash and scrub clams thoroughly with a stiff brush. Place in a large steamer pot (16-20 quart). Layer other ingredients on top of clams - in order given. Add approximately 1 1/2 inches of water in bottom portion of steamer pot.
Allow a good steam to start, then cook on medium-low heat 2-3 hours or until done. Cooking time may vary.
May increase or decrease any or all of the ingredients depending on the number of people you are serving and the size of the pot. Be sure there is always enough liquid in the pot to provide a good steam
Serve with crackers, vinegar, melted butter, or any sauce you desire.