Cheesesteak Tortellini in Rich Provolone Sauce

Ingredients:

1 lb cheese tortellini (fresh or frozen)
1 lb ribeye steak or sirloin, thinly sliced
1 green bell pepper, sliced
1 onion, sliced
2 cloves garlic, minced
2 tbsp olive oil
2 tbsp butter
1 cup heavy cream
1 cup provolone cheese, shredded
1/2 cup Parmesan cheese, grated
1/2 tsp garlic powder
Salt and pepper to taste
Fresh parsley, chopped (for garnish)
Directions: