Pecan Cream Cheese Pie

1 1/2 C graham cracker crumbs

1/4 lb. butter

1/3 C finely chopped pecans

2 large packages, 8 oz. each, cream cheese

1 C sugar

1/2 pint sour cream

2 T sugar

2 t vanilla

Pecan halves

Prepare pie shell by blending cracker crumbs, butter and chopped pecans. Press mixture into 9" pie pan. Blend softened cream cheese with 1 C sugar until smooth and creamy. Spoon into shell. Smooth out and bake in moderate oven (325 degrees) for 20 min. Remove pie from oven and spoon mixture of sour cream, 2 T sugar and vanilla evenly over top. Return to oven and increase heat to 350 degrees, and cook 10 min. longer. Garnish with pecans. Chill in refrigerator before serving.