Clam Chowder without bacon

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[...]

1 1/2 teaspoons salt 1 cup chopped celery 2 cups diced potatoes 1 cup chopped onion 2 (6 1/2 ounce) cans chopped clams 1 quart half-and-half 2 tablespoons[...]