1 1/2 cups wild rice, uncooked
6 cups water
1 1/2 lb boneless chicken breasts, cut into cubes
1 tbsp butter
2 1/2 tsp salt, divided
3/4 tsp pepper, divided
1/4 cup flour
1 1/2 cups half and half, divided
3 1/2 cups chicken stock
2 carrots, diced
1 stalk celery, diced
1 leek, sliced into half moons
2 (8 oz) pkg cremini mushrooms, sliced
1 tbsp fresh thyme, minced
1/4 cup fresh parsley, minced
1/4 cup mascarpone cheese
3 green onions, sliced
1 (5 oz) can water chestnuts, sliced
1/2 cup sliced almonds
Bring water to a boil over high heat in a large saucepan.
Add wild rice, reduce heat, cover, and simmer for 45 minutes, until water has been absorbed.
Preheat oven to 350 degrees.
Line a sheet pan with parchment of foil.
Spread cubed chicken out on a pan and drizzle with 1 tbsp olive oil.
Sprinkle chicken with 1/2 tsp salt and 1/4 tsp pepper.
Bake in preheated oven for 20 minutes.
While chicken is baking, whisk together flour and 1/2 cup half and half. Set aside.
Heat the remaining 1 tbsp olive oil and butter in a large skillet over medium heat.
Add carrots, celery, leeks, mushrooms, and thyme to skillet and saute for about 10-12 minutes, until vegetables are tender and mushrooms are browned.
Stir in flour mixture, remaining half and half, chicken stock, and parsley.
Bring mixture to a simmer.
Stir in mascarpone cheese, until melted.
Bring mixture to a bubble and cook until mixture starts to thicken about 5 minutes.
Combine wild rice, vegetable mixture, chicken, green onions, and water chestnuts in a large bowl.
Divide the mixture between 2 8×8 baking dishes or 2-gallon size ziplock bags.
Before baking sprinkle casserole with almonds.
Bake at 350 for 30 minutes, until browned and bubbly.