Combine cracker crumbs, sugar and butter. Press into the bottom of 9-in springform pan. Bake at 325°F for 10 min. Set aside. Meanwhile, beat cream cheese until smooth. Gradually add brown sugar and flour. Add eggs one at a time, beating well after each addition. Add vanilla. Stir in chopped pecans. Pour into crust bake at 275 for 1 hour and 15 minutes. Turn off oven and leave for 1 hour. Refrigerate overnight.

Finished