Step 1

Preheat the oven to 350 degrees Fahrenheit.

Step 2

In a large pot or Dutch oven melt the butter over medium heat. Add the onions and celery and cook for about 4 - 5 minutes or until the onions become translucent,

Step 3

Whisk in the flour and cook for about 2 - 3 minutes stirring constantly. Slowly stir in about half of the stock. Pour in the remaining of the stock the stirring constantly until the mixture becomes smooth. Simmer for 2 - 3 minutes or until the sauce thickens.

Step 4

Add the chicken bouillon, poultry seasoning, ground black pepper, dried thyme and heavy cream and mix to combine. Simmer for 1 to 2 minutes.

Step 5

Add the cubed turkey meat and frozen vegetables. Mix well and  and season to taste. Pour the turkey mixture into a 10-inch baking dish.

Step 6

In a small bowl, combine the biscuit mix, egg and milk. Whisk until smooth and pour over the turkey mixture.

Step 7

Bake uncovered for 30 minutes or until lightly brown.