1. Preheat the oven to 375°F (190°C).

2. Cook the spaghetti according to package instructions.

3. In a large bowl, mix together marinara sauce, ranch dressing, and dijon mustard.

4. In another bowl, combine beaten eggs with fat-free Italian salad dressing.

5. Dredge the chicken in the egg mixture, then coat with herb seasoned stuffing. Place on a baking sheet lined with parchment paper.

6. In a separate bowl, mix together cauliflower florets with instant rice, corn, and bread crumbs. Spread this mixture evenly in a baking dish.

7. Place the coated chicken pieces on top of the cauliflower mixture.

8. Drizzle melted butter over the chicken and sprinkle chopped parsley on top.

9. Bake in the preheated oven for 35-40 minutes until the chicken is cooked through and the cauliflower is tender and crispy.

10. Serve hot and enjoy!