1. **Preheat the Oven:** Preheat your oven to 375°F (190°C). Grease a loaf pan with cooking spray or line it with parchment paper.

2. **Prepare the Meatloaf Mixture:**
– In a large mixing bowl, combine the ground beef, chopped onion, chopped green bell pepper, minced garlic, breadcrumbs, beaten eggs, ketchup, Worcestershire sauce, salt, and pepper. Mix until all ingredients are well incorporated.

3. **Form the Meatloaf:**
– Transfer the meatloaf mixture into the prepared loaf pan, shaping it into a loaf shape.

4. **Prepare the Topping:**
– In a skillet, heat the olive oil over medium heat. Add the sliced mushrooms and sauté until they are softened and golden brown. Season with salt and pepper to taste.

5. **Add the Topping:**
– Spread the sautéed mushrooms evenly over the top of the meatloaf.

6. **Bake the Meatloaf:**
– Place the meatloaf in the preheated oven and bake for 45-50 minutes, or until the meatloaf is cooked through and the top is browned.

7. **Add the Cheese:**
– Sprinkle the shredded provolone cheese over the top of the meatloaf during the last 10 minutes of baking, allowing it to melt and become gooey.

8. **Serve and Enjoy:**
– Once the meatloaf is cooked through and the cheese is melted and bubbly, remove it from the oven and let it rest for a few minutes before slicing.

Conclusion

With its hearty flavors and cheesy goodness, Philly Cheesesteak Meatloaf is a comforting and satisfying dish that will have your family and friends coming back for seconds. Whether served alongside mashed potatoes, roasted vegetables, or a simple salad, this meatloaf is sure to steal the show at any dinner table. Enjoy the savory twist on a classic favorite and savor every bite of this mouthwatering creation!