1. Preheat oven to 350°F (180°C).
2. Prepare the crust: Mix crumbs, sugar, and melted butter. Press into a 9-inch pie dish.
3. Prepare the filling: Beat cream cheese and sugar until smooth. Add pineapple, vanilla, and egg yolks. Mix well.
4. Pour filling into the crust.
5. Bake for 40-45 minutes or until set.
6. Prepare the topping: Whip heavy cream and sugar until stiff peaks form.
7. Top the pie with whipped cream and chopped nuts (if using).
8. Chill before serving.
Enjoy your delicious Pineapple Cream Cheese Pie!