Before you cook
Before you start Equipment you'll need
- 9-inch pie pan — Holds the pistachio cream filling at the correct depth for proper setting and slicing
- Measuring cups and spoons — Ensures accurate proportions of pistachios, cream, sugar, and other ingredients for consistent flavor and texture
- Mixing bowls — Provides separate spaces for combining dry ingredients, whipping cream, and mixing filling components
- Whisk — Manually incorporates air and blends filling ingredients smoothly without over-processing
- Saucepan — Gently warms cream or milk if needed to dissolve ingredients or infuse pistachio flavor
- Food processor — Finely grinds pistachios into smooth paste or powder for even distribution and creamy texture throughout filling
- Fine-mesh strainer — Removes pistachio skin particles or lumps for silky-smooth filling texture
- Plastic wrap — Covers pie during chilling to prevent skin formation and protect from absorbing refrigerator odors
- Electric mixer or whisk — Whips cream to stiff peaks and thoroughly incorporates pistachio mixture for light, airy filling texture
Safety Safety & allergen notes
- Hot milk can cause severe burns - pour slowly while whisking to avoid splashing, and keep hands away from steam when heating
- When tempering eggs, whisk constantly while slowly adding hot milk to prevent scrambling and hot spots that can cause burns
- Hot custard mixture is extremely hot - stir carefully with a long spoon and keep face away from saucepan to avoid steam burns
- Food processor blade is sharp - keep hands clear when pulsing pistachios and always remove blade before reaching into bowl
- Allow pie pan and all equipment to cool completely before handling after baking to prevent burns from residual heat
Non-negotiables Rules for success
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Pulse pistachios until finely ground but not oily
Over-processing releases natural oils and turns the mixture into pistachio butter, creating a greasy paste instead of a flour-like consistency that incorporates smoothly into the custard
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Slowly pour hot milk while whisking constantly during tempering
Slow pouring with constant whisking gradually raises egg yolk temperature, preventing them from scrambling and curdling the entire custard
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Stir custard constantly over medium heat until it coats the back of a spoon
Constant stirring ensures even heat distribution and prevents the bottom from scorching; the coating indicates cornstarch has gelatinized and custard has reached proper thickness
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Press plastic wrap directly onto filling surface before chilling
Direct contact prevents air exposure which causes a tough skin to form on top of the custard as it cools
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Chill for at least 4 hours until completely set
Adequate chilling time allows the cornstarch-thickened custard to fully gel and firm up; insufficient chilling results in a loose, runny filling that won't slice cleanly
Prep Get set first
About 8 min of prep
- Preheat oven to 350°F
- Gather all ingredients and measure them out
- Prepare 9-inch pie pan
- Have mixing bowls, whisk, food processor, and saucepan ready
- Get fine-mesh strainer and plastic wrap accessible
Active prep takes about 8 minutes, but total time is 4+ hours due to chilling and cooling steps.
Ingredients
Instructions
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Preheat oven
Preheat your oven to 350°F (175°C).
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Make crust mixture
Combine graham cracker crumbs, 6 tablespoons sugar, and melted butter in a bowl and mix until the texture resembles wet sand.
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Form crust
Press the mixture firmly into a 9-inch pie pan, covering the bottom and sides evenly.
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Bake and cool crust
Bake the crust for 8 to 10 minutes until lightly golden, then remove and let cool completely.
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Grind pistachios
Pulse the roasted pistachios in a food processor until finely ground but not oily, creating a flour-like consistency.
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Heat milk
Heat the milk in a saucepan over medium heat until it begins to steam, then remove from heat.
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Prepare egg mixture
Whisk together egg yolks, 0.5 cup sugar, cornstarch, and salt in a bowl until pale and smooth.
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Temper eggs
Slowly pour the hot milk into the egg mixture while whisking constantly to temper the eggs and prevent scrambling.
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Cook custard
Return the mixture to the saucepan and cook over medium heat, stirring constantly, until it thickens and coats the back of a spoon (about 3 to 5 minutes).
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Add flavorings
Remove from heat and stir in the ground pistachios, 1 teaspoon vanilla extract, and 2 tablespoons butter until fully combined.
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Strain custard into crust
Pour the pistachio custard through a fine-mesh strainer into the cooled crust to remove any lumps.
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Cover filling
Press plastic wrap directly onto the surface of the filling to prevent a skin from forming.
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Chill pie
Refrigerate for at least 4 hours, or until the filling is completely chilled and set.
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Make whipped cream
Before serving, whip the heavy cream with powdered sugar and 0.5 teaspoon vanilla extract until stiff peaks form.
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Garnish and serve
Top the pie with whipped cream and garnish with chopped pistachios.
Chef's notes
Store covered in the refrigerator for up to 3 days before serving.
Pie can be assembled up to 1 day ahead; add whipped cream topping just before serving.
For make-ahead preparation, prepare crust and filling separately and assemble on the day of serving.
Use pasteurized eggs for food safety with this raw or lightly cooked egg recipe.