6slices provolone cheeselow-fat (optional: use whatever cheese you like best, as long as it melts well)
Instructions
Add onions, garlic and olive oil to bottom of slow cooker and mix so the veggies are coated in the oil. Add steak and butter, then sprinkle with salt and pepper.
Add mushrooms and bell peppers, then add the broth and soy sauce.
Cover and cook on low for 6 to 8 hours or on high 5 to 6 hours.
To prepare the sandwich, add cheesesteak mixture to a roll, top with cheese, and lightly toast until cheese is melted.