1. 1. Preheat the oven to 375°F (190°C).

2. 2. Slice the green bell pepper in half and remove the seeds and membranes.

3. 3. In a skillet, cook the andouille sausage until browned.

4. 4. Mix the cooked andouille with all-purpose flour to form a thick paste.

5. 5. Stuff the bell pepper halves with the andouille mixture.

6. 6. Place the stuffed bell peppers on a baking sheet and bake for 20-25 minutes.

7. 7. Meanwhile, grate the carrots, zucchini, fresh onion, and celery.

8. 8. In a separate skillet, melt butter and sauté the grated vegetables until tender.

9. 9. Season with salt and black pepper to taste.

10. 10. Grill the hamburger patties to your desired doneness.

11. 11. Assemble the burger by placing a grilled patty on top of one stuffed bell pepper half and topping it with sautéed vegetables.

12. 12. Serve hot and enjoy!