Chicken & Wine Pie

In a sauce pan melt the butter; add the flour and stir together. Cook until a roux is formed - mixture should resemble wet sand and smell slightly nutty. Remove from heat and stir in the milk. Blend thoroughly with a whip or wire whisk. Return to heat and slowly cook, occasionally stirring with the whip or whisk, until the flour and milk create a thick white sauce. Add stock, wine, salt, & pepper, and continue to cook until the gravy thickens. Remove from heat. Place the chicken in a large bowl, add gravy, and mix thoroughly. Divide mixture among the two pie shells, arrange lattice pastry strips on top, and bake at 350º F oven until pastry is golden brown, approx. 1 to 1 1/2 hours.