Tasty Onion Gravy

1. In a small bowl, whisk together cornstarch and water until thoroughly combined.
2. Add olive oil to a small sauce pan and heat over medium heat. Add the onions and cook until translucent.
3. Add the flour and combine well with the onions, then add remaining ingredients (cornstarch mixture, stock, wine, mustard, salt, and pepper).
4. Cook for another 5 minutes, stirring constantly, until the gravy is thick.
Source of recipe: I wrote the recipe. For more information, please see my blog here: http://veganmiss.blogspot.com/2011/09/bangers-and-mash-with-mushy-peas-o...