Preheat oven to 350 degrees F (175 degrees C). Grease a 9 inch pie pan.
In a medium bowl, mix together the graham cracker crumbs and butter until the mixture is crumbly. Press onto the bottom and sides of the prepared pie pan.
Bake for 8 minutes in the preheated oven, or until lightly browned. Remove from oven and set aside.
In a blender or food processor, blend together the avocados, sugar, lime juice, salt, cream and vanilla extract until smooth.
Pour the filling into the prepared crust and smooth the top. Refrigerate for 4 hours, or until set.
Interesting Facts
Avocados are a rich source of vitamins, minerals and healthy fats.
Limes are a great source of vitamin C and can help boost the immune system.
This pie is best served cold, so it's perfect for a hot summer day.