Introduction
This pie is the perfect balance of sweet, creamy, and tart, creating a refreshing dessert that requires no baking beyond the crust. Its magic comes from the simple reaction between fresh lemon juice and sweetened condensed milk, which sets up beautifully in the refrigerator. You’ll love how it delivers maximum flavor with minimal effort.
Prep & Cook Time
- Prep Time: 20 minutes
- Cook Time: 20 minutes
- Total Time: 40 minutes (plus at least 4 hours to chill)
- Servings: 10
Ingredients
- 1½ cup graham crackers (crushed (about 12 full graham cracker sheets))
- 6 tbsp salted butter (melted)
- ¼ cup brown sugar (packed )
- ¼ tsp ground cinnamon (optional)
- 2 14-oz. cans sweetened condensed milk
- 1 tsp lemon zest (packed)
- juice of 5 medium lemons
- pinch salt
- 4 large egg yolks (room temperature)
- 1 cup heavy cream (cold)
- 3 tbsp powdered sugar
- ½ tsp pure vanilla extract
Instructions
- Preheat your oven to 350°F (175°C).
- Make the crust: In a medium bowl, combine the crushed graham crackers, melted butter, brown sugar, and cinnamon (if using). Mix until the crumbs are evenly moistened and hold together when pressed.
- Press the crumb mixture firmly and evenly into the bottom and up the sides of a 9-inch pie plate. Use a flat-bottomed cup to help press it down. Bake for 8-10 minutes, until lightly fragrant and set. Remove and let cool completely on a wire rack.
- Make the filling: In a large bowl, whisk together the sweetened condensed milk, lemon zest, lemon juice, pinch of salt, and egg yolks until the mixture is completely smooth and slightly thickened.
- Pour the filling into the completely cooled crust, smoothing the top. Bake for 15-20 minutes, just until the edges are set (the center will still look slightly jiggly). Remove from oven and let cool to room temperature.
- Make the topping: In a chilled bowl, combine the cold heavy cream, powdered sugar, and vanilla extract. Whip with a mixer until stiff peaks form.
- Once the pie is at room temperature, spread or pipe the whipped cream topping over the filling. Refrigerate the pie for at least 4 hours, or preferably overnight, to set completely before serving.
Variations
- For individual servings, make the recipe in a muffin tin lined with cupcake liners to create personal-sized pies.
- Swap the classic graham cracker crust for a crumb topping by reserving ½ cup of the crumb mixture and sprinkling it over the whipped cream before chilling.
- Create a parfait by layering broken pieces of the baked crust, the lemon filling, and whipped cream in glasses.
- For a lighter topping, fold a tablespoon of the lemon zest into the whipped cream before spreading.
Tips for Success
- Ensure your egg yolks are at room temperature to help them incorporate smoothly into the filling without curdling.
- Chill your mixing bowl and beaters in the freezer for 10-15 minutes before whipping the cream for faster, higher-volume results.
- For the cleanest slices, dip your knife in hot water and wipe it dry between each cut.
Storage & Reheating
Store the pie covered in the refrigerator for up to 4 days. This pie is not suitable for reheating or freezing with the whipped cream topping, as it will weep and separate. You can freeze the unfilled, baked pie crust for up to a month in an airtight container.
FAQ
Can I use bottled lemon juice?
Fresh lemon juice is highly recommended for its bright, vibrant flavor. Bottled juice can be used in a pinch but will result in a less fresh-tasting pie.
Why is my filling runny?
This usually happens if the filling was under-baked or hasn’t chilled long enough. Ensure you bake until the edges are set and chill for a full 4 hours, or ideally overnight.
Can I make this without eggs?
The egg yolks are crucial for the filling’s structure and richness in this recipe. Omitting them will result in a pie that does not set properly.
What can I use instead of a graham cracker crust?
You can press the crumb mixture into a 9×13-inch dish to make lemon squares instead of a pie. No other ingredient changes are needed.
Is the cinnamon necessary in the crust?
No, the cinnamon is listed as optional. It adds a warm, subtle spice, but the crust will be delicious without it.
My whipped cream is soupy. What happened?
Your cream or bowl was likely not cold enough, or you may have over-whipped it past stiff peaks into butter. Start over with new, very cold cream and a chilled bowl.