Keto Philly Cheesesteak Roll Ups

Ingredients:

1 pound thinly sliced beef steak (ribeye or sirloin works best)

1 tablespoon olive oil

1 green bell pepper, sliced thin

1 small onion, sliced thin

1 cup mushrooms, sliced (optional)

1 teaspoon garlic powder

1 teaspoon onion powder

Salt, to taste

Black pepper, to taste