Preheat your oven to 350°F first.
Grease your baking dish with butter.
This prevents sticking and adds flavor.
Set the dish aside for now.
Combine both cream soups in your bowl.
Add the chicken broth slowly.
Stir in the sour cream completely.
Mix until everything looks smooth.
Add diced onion and minced garlic.
Season with salt and pepper generously.
Pour the uncooked wild rice into mixture.
Add your cooked chicken pieces next.
Stir in the frozen vegetables gently.
Make sure everything is evenly distributed.
The rice will cook in the oven.
Pour everything into your greased baking dish.
Spread it out evenly with your spoon.
Sprinkle shredded cheese on top generously.
Cover the dish with aluminum foil tightly.
Place the dish in your preheated oven.
Bake covered for 60 minutes initially.
Remove the foil after one hour.
Bake uncovered for 15 more minutes.
The cheese should be bubbly and golden.
Let it rest for 10 minutes.