1Preheat oven to 350. Spray a 9 x 11 pan with vegetable spray and set aside.
2In a large skillet melt butter; add flour and stir to combine well making a roux. Allow to cook for about 1 minute. Add chicken stock stirring constantly until mixture thickens. Add salt and pepper and stir to combine well. Stir in mixed vegetables and cubed chicken. Stir to combine well.
3Transfer to prepared baking pan. Top with spoonfuls
of the mashed potatoes and smooth out to cover chicken, vegetable mixture. Sprinkle top with paprika.