Preheat oven to the temperature recommended for your pie dough.
Roll pie crust into a 9-inch pie or cake pan.
Prick the bottom of the crust, all over, with a fork.
Bake according to the recommendation for your pie dough.
Allow to cool before filling.
Allow to cool.
Sprinkle about ½ breadcrumbs onto the bottom of the crust and press lightly.
In a saucepan, combine creamer and guava paste.
Refrigerate overnight or for at least 8 hours, until set.