Port Wine Mushroom Sauce - cooking recipe

Ingredients

1 tablespoon butter
1 1/2 cups mushrooms, sliced
1 tablespoon flour
1/3 cup port wine
1/4 cup shallot, minced
1 tablespoon balsamic vinegar
1 cup beef broth
2 teaspoons Worcestershire sauce
1 teaspoon tomato paste
1/8 teaspoon dried rosemary
1/2 teaspoon Dijon mustard

Preparation

In a medium skillet, melt the butter and saute the mushrooms for about 3 minutes, then stir in flour, combining well.
In another skillet, combine the wine, shallots and vinegar, boiling until thickk, about 3 minutes.
Reduce heat to medium. Add broth, Worcestershire, tomato paste and rosemary, cooking for 1 minute.
Add mushroom mixture and cook 3 minutes, stirring constantly, then add mustard to sauce.
Serve warm.