1. Preheat oven to 350 F (180 C)
2. In a food processor or high powered blender, add graham crackers and blend until fine and powdery. Pour in the unsalted melted butter and blend again until all the crumbs have been coated with butter and it starts to come together.
3. Pour the crumbs onto an 8-inch round pie tin and use the back of a glass or your fingers to press down until the sides and the bottom of the tin have been covered with crumbs.
4. Bake in the preheated oven for 10 minutes, then freeze until ready to assemble the pie
**If you don’t have an oven, chill the crust in the freezer until ready for use!
5. Slice 2 bananas into thin slices and set aside for assembling the pie
6. To prepare the whipped topping, add the chilled heavy whipping cream and whip using an electric mixer until the cream has become bubbly.
7. Add in the sugar and vanilla extract, and continue to beat until the cream has reached medium peaks.