Prep vegetables and chicken.
Add Chicken to your slow cooker. toss chicken with olive oil, salt, pepper, garlic, and spices.
Add carrots, celery, corn, peas, and onion.
Add hashbrown potatoes, chicken broth, and milk
Slow cook on medium heat for 4-6 hours. About halfway through creating a slurry with some of the liquid from the slow cooker and cornstarch in order to thicken the sauce.
Garnish and Serve.