1. 1. Preheat the oven to 400°F (200°C).

2. 2. Season the pork tenderloin with salt and pepper, then sear it in a hot pan until browned on all sides.

3. 3. Place the seared pork tenderloin on a baking sheet.

4. 4. Wash and scrub the baking potatoes, then pierce them with a fork.

5. 5. Place the potatoes on the same baking sheet as the pork tenderloin.

6. 6. Bake the pork tenderloin and potatoes in the preheated oven for 25-30 minutes, or until the internal temperature of the pork reaches 145°F (63°C) and the potatoes are tender.

7. 7. In a separate pot, boil water and blanch the green beans for 3-4 minutes, then drain them and set aside.

8. 8. Prepare the stuffing according to package instructions.

9. 9. Once the pork tenderloin is cooked, sprinkle shredded cheddar cheese on top and broil for an additional 2-3 minutes until melted.

10. 10. Serve the cheesy pork tenderloin with baked potatoes, green beans, a dollop of sour cream, and stuffing on the side.

11. 11. Enjoy your delicious meal!