- While crust is baking, melt the butter in the microwave on 30-second intervals until fully melted and add to a large mixing bowl. 
- Melt the chocolate chips in the microwave for 30-second intervals, stirring between each one until melted. Add to the mixing bowl along with the sugars, vanilla paste, and salt and whisk to combine. 
- Stir together the hot water and espresso powder and then add to the mixing bowl and whisk to combine. 
- Whisk in the eggs one at a time, making sure no yolk is visible after each addition. 
- Whisk in the cocoa until fully incorporated. The mixture will be slightly runny. 
- Carefully pour the mixture into the prepared pie crust. 
- Carefully transfer to the oven and bake for 40 to 45 minutes. Make sure the springform pan is still on the baking sheet in the oven. 
- Remove from oven and allow to cool to room temperature ( about 1 to 2 hours). Once cooled, prepare your whipped cream by beating together the heavy cream, powdered sugar, and vanilla in a chilled metal bowl until soft peaks form. Then top the pie with the whipped cream recipe and chocolate and serve.6,7,8