Easy Chicken Tetrazzini

Preheat oven to 350 degrees F. Coat a 9×13 baking dish with nonstick cooking spray, set aside. In large bowl whisk together both soups, sour cream, butter, chicken broth, salt, pepper, and garlic powder until combined. Stir in the peas, chicken, and spaghetti; toss to combine until fully coated. Pour mixture into the prepared baking dish and sprinkle with the cheeses. Cover with fo