1 1/2 cups graham cracker crumbs

1/2 cup butter (softened)

pecan halves

1/3 cup pecans ( chopped)

2-8 ounce packages cream cheese (softened)

1 cup sugar

3/4 cups pecans (coarsely chopped)

1 cup sour cream

2 tablespoons sugar

2 teaspoons vanilla

Mix cracker crumbs, butter, and 1/3 cup pecans in small bowl. Reserve 2 tablespoons crumbs for topping. Press crumbs into bottom and sides of 9x1-1/2" pie plate: chill 20 minutes. Beat cream cheese in medium size bowl with electric mixer until fluffy.

Beat in 1 cup sugar until mixture is smooth. Stir in 3/4 cup pecans. Spoon into crust. Bake in oven at 325 degrees for 20 minutes.

Remove from oven to wire rack. Increase oven to 350 degrees. Blend sour cream, remaining 2 tablespoons sugar,and vanilla in small bowl. Spread mixture evenly over baked filling. Return to oven. Bake for 10 minutes. Garnish with pecans halves and reserved crumbs. Chill until firm.