Salisbury Steak With Mushroom Gravy 

Ingredients:
- 1/3 cup grated onion
- 1/2 teaspoon black pepper
- 1/4 teaspoon salt
- 2 cloves garlic, minced
- 1 pound ground sirloin
- cooking spray
- 1 tablespoon butter
- 8 ounces cremini mushrooms, quartered
- 1/3 cup red wine
- 1 1/4 cups fat- free, lower sodium beef broth
- 1 tablespoon all-purpose flour
- 1 teaspoon red wine vinegar

Directions:
- Combine 1/4 cup onion, pepper, salt, garlic and beef. Shape into 4 1/2 inch thick patties. Heat a skillet over medium-high heat. Coat with cooking spray. Add patties, cook 3 minutes on each side or until browned.
- 
- Melt butter in pan. Add mushrooms, suate 4 minutes. Stir in wine and remaining onion; cook 2 minutes. Combine broth and flour; add to pan, and bring to boil. Cook 5 minutes or until thick. Add patties and vinegar to pan; cook 2 minutes.