Remove wings from pkg and tuck the wing piece under the rest.
In an electric frying pan, brown wings in oil
Combine separately soup, onion, vinegar, oregano, salt and pepper and pour over wings in pan
Cover and cook on 350 for 1 hour.
After wings are cooked, remove from sauce and set in preheated oven at 225 to keep warm.
Add jar of spaghetti sauce to wing sauce in frying pan.
Stir in mushrooms, green peppers and parmesan cheese.
Let sauce simmer for 20 minutes.
Pour finished sauce into drained, cooked spaghetti in large pot and cover for 10 minutes
Serve with Mom's Vinegarette Salad.