In a large saute pan, cook the steak, with butter and olive oil over medium-high heat, cook meat until it is slightly browned.
Add beef broth, Worcestershire sauce,parsley, garlic, salt and the black pepper.
Stir to combine
Add onion & peppers- cook until softened- 5-7 minutes
Top with your choice of cheese, reduce heat to low until the cheese is melted
Serve as is or on rolls!