For shell:
Combine cracker crumbs, brown sugar, nuts and butter; press into a 9-inch pie pan. For filling:
Combine cream cheese, sugar and eggs. Mix thoroughly and pour over shell. Bake for 20 minutes at 350 degrees. Cool.
For topping:
Mix topping ingredients and cook over medium heat, stirring constantly until mixture thickens. Cool. Top pie with cooled topping and serve with whipped cream, if desired.