Sweet Potatoes:

1. Preheat oven to 200C/400F.

2. In a large bowl, add the diced potatoes, olive oil and season with salt and pepper. Combine well and transfer to a shallow baking dish. 

3. Bake in oven for 20 minutes until the potatoes just start to soften. When ready transfer to a baking dish. 

Cajun Chicken:

1. Using the same bowl of sweet potatoes, add the chopped chicken. Add marinade ingredients; olive oil, cajun seasoning, salt and pepper. Combine well so chicken is completely coated. 

2. Cook chicken in a little olive oil and butter and set aside.

Creamy Cajun Sauce:

1. Heat a little olive oil in a pan, add the chopped onion, sauté for a few minutes till softened.

2. Add the chopped garlic, tomato paste, seasonings, stir together then add the chicken stock, cream and parmesan cheese.

3. Simmer for 5 minutes, then add the spinach and cook just until it wilts. Now add the cooked chicken with any juices and stir through.

4. Remove from heat and spoon on top of the baked sweet potatoes in the dish.

5. Top with shredded cheddar cheese, mozzarella and freshly ground pepper. 

6. Bake in oven 190C/375F for about 30 minutes until cheese is melted and slightly golden on top.

7. Enjoy!