*Ingredients: °1/2 pound sliced ​​baby Portobello mushrooms °1 onion, halved & sliced °1 beef top sirloin steak (1 pound), cubed °1/2 teaspoon of salt °1/4 teaspoon pepper °2 teaspoons olive oil °1/3 c dried red wine  °2 c beef broth °2 tsp cornstarch °1/4 c  cold water * Methods   Placing mushrooms & onion in 3-qt. […]