INGREDIENTS
1 small
onion
8 oz
baby bella mushrooms
1 tbsp
extra virgin olive oil
1 lb
sirloin steak
1 serving
salt and pepper
1 tbsp
worcestershire sauce
1/4 cup
wine plus 1 tablespoon
2 1/2 cups
beef broth
2 tbsp
cornstarch
1/4 cup
water whisked together