Chicken Wild Rice Cassserole

So another experiment and a rehash of another experiment! My first chicken casserole turned out great, and now I present another chicken casserole....and yes it turned out delicious. Not only did I love it my roommate did as well!! :))

4 chicken thighs
1 1/2 cups wild rice
4 oz canned mushrooms (about 2 oz fresh mushrooms, sliced)
10 oz frozen chopped spinach (about 5 oz fresh baby spinach)
1 cup heavy whipping cream
1 tbsp minced garlic
2 tbsp unsalted butter

Spices; salt, pepper, Cheyenne pepper, paprika, garlic powder, onion powder

Preheat oven to 450 degrees. Season chicken, and set to the side. In large sauce pan melt butter and add garlic. Let cook for about a minute and then add spinach, cook for about 2 mins. Then add mushrooms, if there is any excess liquid drain, then add cream, salt and pepper.
In 13x9 casserole dish layer bottom with wild rice, uncooked. Place chicken on top and pour sauce onto chicken and rice. Cover with aluminum foil and place in oven for 45 mins. Halfway through stir.