Easy Chicken and Dumplings Casserole is a delicious and comforting meal that's perfect for a cozy dinner at home. Made with tender chicken, fluffy dumplings, and savory vegetables in a creamy sauce, this casserole is a satisfying and hearty dish that's sure to please the whole family.
Prepare a 9x13" baking dish with nonstick spray. Preheat oven to 375 degrees.
In a small skillet, over medium heat, melt the butter and sauté onion, celery, and carrots, until they are tender, about 7-10 minutes. Season with salt and pepper.