Bread Stuffing with broth

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[...]

3/4 cup minced onion 1 1/2 cups chopped celery 1 cup vegan margarine (use 1/2 cup next time) 9 cups gluten-free vegan bread cubes 2 teaspoons salt 1 1/2[...]