Port Wine Mushroom Sauce

• 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

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

butter, mushrooms, flour, port wine, shallot, balsamic vinegar, beef broth, worcestershire sauce, tomato paste, rosemary, dijon mustard

Taken from www.food.com/recipe/port-wine-mushroom-sauce-193454 (may not work)