Graham Cracker Crust Directions 

1. Preheat oven to 350 degrees F
2. In a large mixing bowl, mix together the graham cracker crumbs, light brown sugar and melted butter until combined  
3. Press the mixture into the bottom and sides of a 9-10 inch pie pan; make sure that it is tightly pressed
4. Prebake the crust for 8 minutes 
5. Remove the crust from the oven and allow it to cool while you are preparing the key lime filing 

Key Lime Pie Filling 

1. In a large mixing bowl, whisk together the egg yolks, sweetened condensed milk, key lime juice, sour cream and lime zest until fully combined 
2. Pour the Key Lime Pie Filling in the pre baked graham cracker crust and bake for 10 minutes (the filling will be firm)
3. Remove the pie from the oven and allow it to cool for 10 minutes and then place in the refrigerator to chill for 2-3 hours or overnight 

Fresh Whipped Cream Topping 

1. In a large electric mixing bowl with whisk attachment, whisk the heavy cream, powdered sugar and vanilla extract until stiff peaks form
2. Transfer the whipped cream to a piping bag and pipe the whipped cream around the edge of the key lime pie or spread the whipped cream to cover the top of the pie 
3. Garnish the pie with lime zest 
4. Refrigerate until ready to serve.
5. Enjoy!