Irresistible No Bake Lemon Pie

Here is my favorite no bake lemon pie recipe, with a simple graham cracker crust and a creamy, tangy filling made with sweetened condensed milk, fresh lemon juice, and whipped topping.

This lemon pie is perfect for those hot summer days when you don’t want to turn on the oven. It takes just minutes to put together, and the hardest part is waiting for it to chill in the fridge. My family loves how light and refreshing it tastes!

What Kind of Lemon Juice Should I Use?

For this no bake lemon pie, you can use either fresh-squeezed lemon juice or the bottled stuff from the store. Fresh lemon juice will give you a brighter, more natural lemon flavor, and you’ll need about 3-4 medium lemons to get a half cup of juice. That said, bottled lemon juice works just fine and is super convenient if you’re short on time or don’t have fresh lemons on hand. Just make sure you’re using 100% lemon juice and not lemonade or a lemon-flavored drink, as those won’t set up properly with the condensed milk.

Options for Substitutions

This simple pie is easy to customize with a few ingredient swaps:

• Lemon juice: Fresh lemon juice works best, but bottled lemon juice is totally fine if that’s what you have. You can also try lime juice for a key lime pie variation – just use the same amount.
• Cool Whip: If you prefer, you can make your own whipped cream by beating 1 ½ cups heavy cream with 3 tablespoons powdered sugar until stiff peaks form. Just fold it in gently the same way you would with Cool Whip.
• Graham cracker crust: Feel free to swap this with a vanilla wafer crust or even an Oreo crust for a different flavor profile. You can also make your own crust by mixing 1 ½ cups graham cracker crumbs with 5 tablespoons melted butter and 3 tablespoons sugar, then pressing it into your pie pan.
• Sweetened condensed milk: This ingredient is really essential for the pie to set properly, so I wouldn’t recommend substituting it. The sweetened condensed milk reacts with the lemon juice to create that perfect creamy texture without baking.

Watch Out for These Mistakes While Making

The biggest mistake people make with no-bake lemon pie is not refrigerating it long enough – if you cut into it before the full 4 hours, you’ll end up with a runny mess instead of clean, beautiful slices.

Another common error is folding the cool-whip too vigorously into the lemon mixture, which can deflate all those air bubbles and leave you with a dense, heavy filling instead of a light and fluffy one.

Make sure you’re using fresh lemon juice rather than the bottled stuff, as fresh juice gives you that bright, tangy flavor that makes this pie special, and always let your cool-whip thaw completely in the fridge (not the microwave) so it blends smoothly without lumps.

For the cleanest slices, dip your knife in hot water and wipe it clean between each cut.

What to Serve With No Bake Lemon Pie?

This no bake lemon pie is pretty rich and sweet on its own, so I like to keep things simple when serving it. A cup of hot coffee or tea is perfect alongside a slice, especially since the brightness of the lemon cuts through the creaminess really nicely. If you’re serving this at a summer gathering, fresh berries like strawberries or blueberries on the side add a nice pop of color and a little tartness that complements the lemon flavor. You could also add a small dollop of extra whipped cream on top if you’re feeling fancy, but honestly, this pie is so good it doesn’t need much else.

Storage Instructions

Refrigerate: This no bake lemon pie needs to stay chilled in the fridge. Cover it loosely with plastic wrap or foil and it’ll keep for about 3 to 4 days. The filling stays creamy and the crust holds up really well, so it’s great for making a day ahead when you’re having people over.

Freeze: You can totally freeze this pie if you want to make it way ahead of time. Wrap it tightly in plastic wrap and then in foil, and it’ll keep in the freezer for up to 2 months. It’s one of those desserts that freezes surprisingly well.

Thaw: When you’re ready to serve a frozen pie, just move it to the fridge and let it thaw overnight. You can also let individual slices sit at room temperature for about 20 minutes if you’re in a hurry, though it’s best when it’s nice and cold.

Estimated Nutrition

Estimated nutrition for the whole recipe (without optional ingredients):

• Calories: 2100-2300
• Protein: 20-26 g
• Fat: 70-80 g
• Carbohydrates: 350-380 g

Ingredients

• 14 oz sweetened condensed milk
• 2/3 cup freshly squeezed lemon juice
• 1 tablespoon lemon zest
• 8 oz whipped topping, thawed
• 1/8 teaspoon salt
• 9 inch graham cracker crust

Step 1: Combine Condensed Milk and Lemon Juice

• 14 oz sweetened condensed milk
• 2/3 cup freshly squeezed lemon juice
• 1 tablespoon lemon zest
• 1/8 teaspoon salt

In a medium bowl, whisk together the sweetened condensed milk and freshly squeezed lemon juice until well combined.

The mixture will thicken slightly as the acid from the lemon juice reacts with the milk—this is exactly what you want and creates the custard-like filling.

Stir in the lemon zest and salt to distribute the flavors evenly throughout the mixture.

Step 2: Fold in Whipped Topping

• lemon mixture from Step 1
• 8 oz whipped topping, thawed

Gently fold the thawed whipped topping into the lemon mixture using a spatula, being careful not to deflate the whipped topping.

Use a gentle folding motion rather than stirring to maintain the airy texture and create a light, mousse-like filling.

I find that folding in three to four turns is usually all you need—over-mixing will make the filling dense and heavy.

Step 3: Fill the Crust and Chill

• filling from Step 2
• 9 inch graham cracker crust

Pour the filling into the graham cracker crust, smoothing the top with a spatula if desired.

Transfer the pie to the refrigerator and chill for at least 4 hours, or until the filling is completely firm and set.

The cold temperature will allow the filling to achieve the proper texture while the flavors meld together beautifully.

Irresistible No Bake Lemon Pie

Delicious Irresistible No Bake Lemon Pie recipe with step-by-step instructions.

Print Recipe Pin Recipe

Prep Time 1 hour hr 25 minutes mins

Cook Time 2 hours hrs 45 minutes mins

Total Time 4 hours hrs 12 minutes mins

Servings: 8 slices

Calories: 2200

Ingredients Method

Ingredients

  

• 14 oz sweetened condensed milk
• 2/3 cup freshly squeezed lemon juice
• 1 tablespoon lemon zest
• 8 oz whipped topping, thawed
• 1/8 teaspoon salt
• 9 inch graham cracker crust

Method

 

1. In a medium bowl, whisk together the sweetened condensed milk and freshly squeezed lemon juice until well combined. The mixture will thicken slightly as the acid from the lemon juice reacts with the milk—this is exactly what you want and creates the custard-like filling. Stir in the lemon zest and salt to distribute the flavors evenly throughout the mixture.
2. Gently fold the thawed whipped topping into the lemon mixture using a spatula, being careful not to deflate the whipped topping. Use a gentle folding motion rather than stirring to maintain the airy texture and create a light, mousse-like filling. I find that folding in three to four turns is usually all you need—over-mixing will make the filling dense and heavy.
3. Pour the filling into the graham cracker crust, smoothing the top with a spatula if desired. Transfer the pie to the refrigerator and chill for at least 4 hours, or until the filling is completely firm and set. The cold temperature will allow the filling to achieve the proper texture while the flavors meld together beautifully.