This is a classic pot pie, only a bit more special with its delicate puff pastry crust.

Thymus vulgaris
Common Name: Thyme, English (common),

Thymus x 'narrowleaf French'
Common Name: Thyme, French,

Thymus pulegioides 'Oregano'
Common Name: Thyme, Oregano Scented

Spread the frozen hash brown potatoes in the bottom of a 9x13" baking dish. Top with the chicken and frozen vegetables.

In a medium saucepan, melt the butter then add flour stirring quickly until it's incorporated. Add the milk and chicken broth and stir constantly until mixture thickens. add cream, thyme, salt and pepper. Pour mixture over chicken and vegetables.

Roll the sheet of thawed puff pastry out to 9x13". Cut slits in the pastry then place on top of casserole. Bake 400 degrees for 45-60 minutes. Remove from oven and allow to cool for 10-15 minutes before serving.