Preheat oven to 350 degrees F.
Combine cookie crumbs, pecans and melted butter; press evenly into the bottom of a greased 9-inch spring form pan. Stand up whole cookes around edge of pan, rounded side agains pan. Bake 10 minutes; cool completely on a wire rack.
In a small saucepan, combine bananas, lemon juice and brown sugar. Cook over medium heat until sugar dissolves. Remove from heat.
Beat cream cheese with an electric mixer until light and fluffy. Beat in sugar. Add eggs, 1 at a time, mixing well after each addition. Beat in vanilla. Gently stir in mixture.
Pour mixture over prepared crust. Bake for 45-55 minutes until center is set.
Cool completely, then refrigerate, not covered, for at least 6 hours.