Port-Wine Mushroom Sauce

Ingredients

• 1 1/2 cups sliced shiitake mushroom caps (about 3 1/2 ounces)
• 1 tablespoon all-purpose flour
• 1/3 cup port or other sweet red wine
• 1/4 cup minced shallots
• 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

1. Combine mushrooms and flour in a bowl; toss well.
2. Combine wine, shallots, and vinegar in a medium skillet. Bring to a boil; cook until thick (about 3 minutes). Reduce heat to medium. Add broth, Worcestershire, tomato paste, and rosemary; cook 1 minute. Add mushroom mixture; cook 3 minutes, stirring constantly. Stir in mustard.