Creating this One-Pot Philly Cheesesteak Soup is simple and rewarding. Follow these straightforward steps to whip up a hearty meal:

1. Heat the olive oil in a large pot over medium-high heat.
2. Add the diced onion, red bell pepper, and green bell pepper. Sauté for about 5 minutes until the vegetables are softened.
3. Stir in the minced garlic and cook for an additional 1 to 2 minutes, until fragrant.
4. Add the sliced beef to the pot, cooking until it’s browned, approximately 5-7 minutes.
5. Pour in the beef broth and add the Worcestershire sauce, thyme, and oregano. Stir well to combine.
6. Bring the mixture to a boil, then reduce the heat and allow it to simmer for about 15-20 minutes to develop the flavors.
7. Stir in the heavy cream and shredded cheese. Mix until the cheese has melted and the soup becomes creamy.
8. Season with salt and pepper to taste. Adjust seasoning according to preference.
9. If desired, garnish with freshly chopped parsley before serving.

Following these simple instructions will lead you to a pot of delicious, comforting soup ready to warm your heart.