Manhattan Clam Chowder with butter

Clam Chowder Sauce 5 3/4 cups bottled clam juice 5 pounds littleneck clams 1/4 cup flour 3 tablespoons canola oil 3 shallots, sliced (1/4 inch) 2 ribs diced[...]

1/4 cup butter 1 large onion , diced 1 1/2 cups potatoes , peeled & diced (2 medium size) 1/4 cup green pepper , diced 3/4 cup carrot (2 medium size) 1 (28[...]