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This easy lemon pie is creamy, tangy, and made with condensed milk and a graham cracker crust. A simple, foolproof dessert everyone loves.
Know Before You Scroll
What You’ll Need
Lemon juice, condensed milk, egg yolks, graham crackers, cream
Flavor Profile
Bright, tangy, creamy with a buttery crunch
Difficulty Level
Easy
Equipment Needed
Mixing bowls, whisk, 9-inch pie pan, mixer
Top Tip
Whisk the yolks and zest first to deepen the lemon flavor
Time-Saving Tips
Chill overnight for the cleanest slices
Ingredient Swaps
Use store-bought crust to save time
In The Test Kitchen
This is one of those recipes I’ve made over and over because it just works. The first time I tested it, I was honestly surprised by how quickly the filling thickened once the lemon juice hit the condensed milk. That natural reaction gives you that silky, custard-like texture without needing complicated steps.
What really makes this pie shine is the balance. I tested it with different lemon ratios, and that ¾ cup hits the sweet spot. It’s bright and tangy without crossing into too sharp. Add the lightly sweet whipped cream on top, and it mellows everything into that creamy, dreamy finish that keeps you going back for another slice.
Ingredient Notes
The Filling
Best Choice
Fresh lemon juice gives the cleanest, brightest flavor
Substitutions
Bottled lemon juice works in a pinch but will be less vibrant
The Base
Best Choice
Graham cracker crumbs measured by weight for accuracy
Substitutions
Digestive biscuits or vanilla wafers can be used instead
The Cream Topping
Best Choice
Heavy whipping cream for stable, fluffy peaks
Substitutions
Skip milk powder if needed, but it helps hold structure longer
You can find the full, printable recipe at the top of this post, but you can read the detailed instructions with photos for each step below.
Step By Step Instructions
1
Build the Crust
Mix the graham cracker crumbs with sugar, then stir in the melted butter until it looks like damp sand. Press it firmly into your pie dish, making sure the sides are even. Bake until just set and lightly golden, then let it cool until no longer hot.
2
Whisk the Base
Whisk the egg yolks with the lemon zest until the mixture looks slightly pale and thickened. This step brings out the oils in the zest and boosts the citrus flavor.
3
Create the Filling
Whisk in the condensed milk until smooth, then slowly add the lemon juice. You’ll see it start to thicken and turn creamy almost immediately. Let it sit briefly while the crust finishes cooling.
4
Bake Until Just Set
Pour the filling into the crust and bake until the center is set but still has a slight jiggle when you gently shake the pan. It should look smooth and glossy, not browned.
Let the pie cool completely, then refrigerate for at least 3 hours. It will firm up into that silky, sliceable texture as it chills.
5
Make The Cream Topping
In a mixing bowl or food processor, combine the heavy cream, confectioners’ sugar, vanilla, and milk powder. Whip the mixture until it transforms into thick, billowy clouds that hold their soft peaks. For a burst of sunshine, fold in a little lemon zest.
6
Top & Serve
Spread or pipe over the chilled pie, then finish with lemon slices or zest for a fresh, bright look.
Recipe
Easy Lemon Pie
Ingredients
Pie Filling
- 5 large egg yolks
- 2 tablespoons lemon zest (finely grated, about 2 lemons)
- 28 oz sweetened condensed milk (2 cans)
- ¾ cup fresh lemon juice (about 3–4 large lemons)
Graham Cracker Crust
- 6 oz graham cracker crumbs (about 12 crackers, crushed)
- 2 tablespoons granulated sugar
- 9 tablespoons unsalted butter (melted)
Whipped Cream Topping
- 1¼ cups heavy whipping cream
- 6 tablespoons confectioners’ sugar
- 1 teaspoon vanilla extract
- 1 tablespoon skimmed milk powder (optional, for stability)
- ½ teaspoon lemon zest ( finely grated Optional: for a hint of citrus )
- Lemon slices and extra zest (optional)
Instructions
To Make The Crust
- Preheat your oven to 325°F (160°C).
- In a medium bowl, mix together graham cracker crumbs and sugar.
- Pour in the melted butter and stir until evenly moistened and crumbly, like wet sand.
- Press the mixture firmly into a 9-inch pie pan — covering the bottom and sides evenly.
- Bake for 8 minutes, then set aside to cool while you make the filling.
To Make The Filling
- In a medium bowl, whisk the egg yolks and lemon zest for 1–2 minutes until the yolks look pale and slightly thickened.
- Add the sweetened condensed milk and whisk until smooth and combined.
- Slowly whisk in the lemon juice until the filling thickens slightly (it will start to emulsify and look creamy).
- Let it sit at room temperature while the crust cools — it’ll thicken a little more as it rests.
- Pour the lemon filling into the cooled crust.
- Bake for 15–20 minutes, or until the center looks set but still has a slight jiggle when gently shaken.
- Transfer to a wire rack to cool, then refrigerate for at least 3 hours, or until fully chilled and set.
To Make The Whipped Cream Topping
- In a mixing bowl or food processor, combine heavy cream, confectioners’ sugar, vanilla, and milk powder.
- Whip until thick and billowy — the kind of soft peaks that hold their shape.
- For a little extra sunshine, add a touch of lemon zest right into the cream.
Assemble and Serve
- Spread or pipe the whipped cream over the chilled pie.
- Top with lemon slices, extra zest, or a sprinkle of graham crumbs if you’re feeling fancy.
- Slice, serve, and enjoy that creamy, citrusy perfection.
Tips
Erren’s Top Tips
Getting the best texture comes down to not overbaking. The center should still wobble slightly when you take it out. It will finish setting in the fridge. Always whisk the lemon zest into the egg yolks first. That step pulls out the oils and gives a deeper lemon flavor throughout the filling. For clean slices, dip your knife in hot water and wipe between cuts. It makes a big difference with custard-style pies. If your whipped cream starts to look too soft, chill the bowl and whisk briefly again to bring it back.Variations & Add-Ins
You can turn this into a lime version by swapping lemon juice and zest for lime. It becomes more like a classic key lime-style pie. For a slightly richer flavor, add a tablespoon of sour cream to the filling before baking. It gives a subtle tang and creaminess. If you want texture, fold crushed graham crackers or toasted coconut into the crust before baking. Top with fresh berries for contrast. Strawberries or blueberries pair especially well with the lemon.Storage & Freezing
Store the pie covered in the refrigerator for up to 4 days. The texture actually improves after the first day. You can freeze the pie without the whipped topping. Wrap tightly and freeze for up to 2 months. Thaw overnight in the fridge before serving. If already topped with cream, freezing is not recommended as the texture can change.
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FAQs
Why does lemon juice thicken the filling?
The acid reacts with the proteins in the condensed milk and egg yolks, naturally thickening the mixture without needing flour or cornstarch.
Can I make this without baking?
Not exactly. The short bake helps set the eggs safely and gives the pie structure.
How do I know when it’s done baking?
The edges will look set, and the center will have a slight jiggle. It should not look liquid.
Can I use bottled lemon juice?
Yes, but fresh lemon juice gives a much brighter, cleaner flavor.
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