Bread Stuffing with whites

1 1/4 pounds sourdough bread , crusts trimmed, cut into 1/2-inch cubes (about 12 cups) 3/4 pound bacon (about 12 slices), cut into 1/2-inch pieces 3 cups[...]

1 tablespoon light butter , stick kind 1 large onion , chopped 2 leeks , cleaned, chopped 2 carrots , chopped 1 (8 ounce) package white mushrooms , sliced 1/4[...]