1️⃣ Prepare the Crust:

1. Preheat oven to 325°F (165°C).
2. In a medium bowl, mix graham cracker crumbs, melted butter, and sugar.
3. Press the mixture into the bottom of a 9-inch springform pan.
4. Bake for 8-10 minutes, then let it cool while preparing the filling.

2️⃣ Make the Cheesecake Filling:

1. In a large bowl, beat the cream cheese until smooth.
2. Add sugar and pistachio pudding mix, mixing until well combined.
3. Mix in the vanilla extract.
4. Add eggs, one at a time, mixing just until combined.
5. Slowly pour in the heavy cream and mix until smooth.
6. If using, fold in the chopped pistachios for added texture.

3️⃣ Bake the Cheesecake:

1. Pour the filling over the cooled crust.
2. Bake for 50-60 minutes, or until the center is just set and slightly jiggles.
3. Turn off the oven, crack the door open, and let the cheesecake cool inside for 1 hour.
4. Transfer to the refrigerator and chill for at least 4 hours (overnight is best).

4️⃣ Make the Whipped Cream Topping:

1. In a medium bowl, beat the chilled heavy cream and powdered sugar until stiff peaks form.
2. Spread or pipe the whipped cream over the chilled cheesecake.

5️⃣ Serve and Garnish:

1. Sprinkle with chopped pistachios for a beautiful finishing touch.
2. Slice, serve, and enjoy this creamy, dreamy Pistachio Cheesecake!