Clam Chowder with vegetables

3/4 lb chopped clam 1 medium onion , chopped 3/4 cup chopped celery 3 -4 slices thick bacon , chopped 1/4 cup butter 1 tablespoon oil 1 teaspoon salt 1/4[...]

3 tablespoons butter 3 medium carrots , peeled and diced 1/2 medium onion , peeled and diced 3 celery ribs , diced 3 -4 crushed peppercorns 4 cups white wine[...]

20 littleneck clams , rinsed in cold water 1/4 cup shallot , minced 1 tablespoon garlic , minced 1 cup dry white wine 2 cups canned clam juice 2 cups heavy[...]