Preheat the oven to 350 degrees Fahrenheit.
To make the pumpkin pie graham cracker crust, crush the graham crackers with a rolling pin. Then, mix the melted butter and graham crackers together until they start to look like wet, mushy sand.
Press the crust mix against the sides and bottom of a 9-inch pie pan. Glass or aluminium foil pans work great.
Bake the crust for 10 minutes, and then set the crust aside.
To make the filling, mix together sugar and pumpkin puree.
Add in eggs one at a time, mixing the eggs in thoroughly with each one.
Mix in cream and sour cream. Do not beat.
Mix in salt and spices, and then mix everything together until it becomes creamy.
Pour your pie mix into the pie dish
Bake the pumpkin pie for 45 minutes, still at 350 degrees Fahrenheit.
Allow the pumpkin pie to cool and then place in the fridge for a few hours before serving. Garnish with whipped topping and ground cinnamon powder.