Place the bacon grease in a saucepan over medium-high heat.
Add the onions and saute until the onions start to blacken.
Whilethe onions are carmelizing, in a mixing bowl place the water,honey, pepper sauce, and red wine vinegar.
Using a wire whisk,mix the ingredients well.
mix the ingredients well.
Add the cornstarch and whisk well.
After the onions havecarmelized, add the Dijon mustard to the onions and stir together with a rubber spatula.
Add the water, vinegar, pepper sauce honey and cornstarch to the mustard and onions and mix.
Continue stirring until mix thickens and comes to a boil.
Remove from heat and store in refigerator until needed.
To reheat use a double boiler.
