In a large mixing bowl, combine shredded chicken, frozen mixed veggies, cauliflower rice and potatoes.
Mix in chicken broth and melted butter to homemade cream of chicken soup.
Pour soup mixture over veggie mixture and combine well.
Pour mixture into a 9x13 inch baking dish.
Bake casserole at 350 degrees for 1 hour.
Serve with Drop Biscuits.
Links to Homemade Cream of Chicken Soup and Drop Biscuits can both be found in the text of this blog post.