INGREDIENTS
1 1/2 lbs
flat iron steak
1 Tbsp
worcestershire sauce
1 tsp
kosher salt
3/4 tsp
black pepper
1/2 tsp
garlic powder
6 Tbsps
butter
2
portabella mushrooms
1/2
onion
1 serving
salt and pepper
1/4 cup
whiskey
1/2 cup
beef broth
1
green onion