Clam Chowder with whites

1 lb potato , peeled 1/2 tablespoon butter 3/4 cup finely chopped onion 1 small garlic clove , very finely minced 1 cup half-and-half 1/2 cup whipping cream 4[...]

4 slices bacon , chopped 3 (6 1/2 ounce) cans whole shelled clams 3 tablespoons butter or 3 tablespoons margarine 1/2 cup chopped celery 1/2 cup chopped onion[...]

1 lb potato , peeled 1/2 tablespoon butter 3/4 cup finely chopped onion 1 small garlic clove , very finely minced 1 cup half-and-half 1/2 cup whipping cream 4[...]