Corn Chowder with stalks

1 (10 ounce) box frozen corn in butter sauce 1 tablespoon olive oil 1 medium onion , chopped (1/2 cup) 1 medium bell pepper , chopped (1 cup) 1 stalk celery ,[...]

1 large onion , chopped 2 stalks celery , chopped 1/2 green bell pepper , chopped 1/4 cup butter 2 tablespoons olive oil 2 cloves garlic , minced 8 cups[...]

1 large onion , chopped 2 stalks celery , chopped 1/2 green bell pepper , chopped 1/4 cup butter 2 tablespoons olive oil 2 cloves garlic , minced 8 cups[...]