Grill the sausages on 375 degrees for about 15 minutes or until golden.
In a skillet heat oil and add onions.
Saute for a minute and add garlic.Saute for another minute and add the flour.Mix well.
Add the stock and red wine.Bring to a boil, reduce the heat, cover and cook on medium for 15-20 minutes.
In a separate skillet heat some olive oil and add the mushrooms.Saute until golden.Add them into the wine sauce.Add salt and pepper.Check the seasonings.
Add the sausages into the sauce and mix well.