Orange Roughy without ginger scallions

3 ounce extra thick bacon , roughly, diced or possibly 3 ounce salt pork, roughly, diced     butter 1 med onion 1 x celery , stalk, diced 2 lrg carrot , diced[...]

1 lb orange roughy fillet 1 (26 ounce) jar bertolli's marinara spaghetti sauce 4 tablespoons white vinegar 1 (6 ounce) envelope Italian salad dressing mix 1/4[...]