Bright, creamy, and effortlessly cool, this no bake key lime pie delivers all the sunshine of summer in one smooth slice. With a luscious filling infused with zesty lime juice and a buttery graham cracker crust, it’s the kind of dessert that feels both light and indulgent—without turning on the oven. Whether you’re entertaining guests, craving something sweet after dinner, or preparing a quick make-ahead treat, this pie brings citrusy refreshment to any occasion.

Ingredient Breakdown
The magic of this pie begins with just a handful of ingredients, each playing a vital role in creating its dreamy texture and tangy-sweet flavor.
Cream cheese forms the base of the filling, providing a velvety, rich texture that holds its shape without baking. It offers just enough tang to balance the sweetness and creates a cheesecake-like consistency that melts beautifully on the tongue.
Key lime juice adds that signature punch of citrus. Freshly squeezed key limes are ideal for their distinctive floral tartness. They’re smaller and more aromatic than regular limes, and their juice carries a unique, slightly sweet acidity that defines this dessert.
Sweetened condensed milk ties everything together with creamy sweetness. It not only enriches the filling but also stabilizes it, giving the pie body without needing eggs or gelatin.
The graham cracker crust brings texture and balance. Buttery and lightly crunchy, it offsets the smooth filling with a subtle nuttiness. Pressed firmly into the pie dish, it sets perfectly after a short chill and creates the essential base that every great key lime pie needs.
Garnishes like whipped cream and fresh lime slices aren’t just decorative—they enhance each bite with airy softness and a pop of color. These final flourishes add brightness and contrast, transforming a simple pie into a showpiece.
If you can’t find key limes, bottled key lime juice or a mix of fresh lime and lemon juice can be used in a pinch. For the crust, digestive biscuits or vanilla wafers offer a creative twist if graham crackers aren’t available.
Step-by-Step Preparation Guide
Begin by assembling the crust. Combine finely crushed graham cracker crumbs with melted unsalted butter in a bowl, stirring until the crumbs are evenly moistened. The texture should resemble damp sand. Pour the mixture into a 9-inch pie pan, pressing it firmly into the bottom and up the sides. Using the bottom of a glass helps create a smooth, compact crust that holds its shape when sliced.
Next, prepare the filling. Place softened cream cheese in a large bowl and beat until completely smooth. Gradually add the sweetened condensed milk and key lime juice, continuing to mix until the filling becomes creamy and slightly thickened. The consistency should be pourable but not runny—smooth enough to settle evenly into the crust.
Pour the mixture over the crust and smooth the top with a spatula. Refrigerate the pie for at least one hour, though an overnight chill ensures the cleanest slices and fullest flavor. The pie will set as it chills, firming up into a perfectly sliceable consistency.
Before serving, garnish with swirls of whipped cream and thin slices of key lime. This not only enhances the presentation but adds a contrast of textures that complements every bite.

Recipe Tips
How to prevent a soggy crust:
Press the crust firmly and chill it while you make the filling. You can also pre-bake it for 8–10 minutes at 350°F for added crispness, though it’s not required.
Choosing the best cream cheese for a stable no-bake pie:
Use full-fat cream cheese for richness and structure. Make sure it’s softened to room temperature for easier mixing.
Why room temperature ingredients matter:
Softened cream cheese blends more easily, preventing lumps in your filling and creating a smooth, cohesive texture.
How long to chill for the firmest, creamiest results:
A minimum of 1 hour is required, but chilling overnight will yield the best results in both texture and flavor.
What to Serve With This Recipe
No bake key lime pie pairs beautifully with refreshing beverages like mojitos, cucumber mint water, or a tall glass of iced tea. The citrusy zing complements crisp, cool drinks that keep the palate refreshed.
Light sides like a tropical fruit salad or citrus-forward green salad make lovely accompaniments for a summer meal. These options keep things fresh and don’t compete with the richness of the pie.
If you’re serving this pie as part of a dessert spread, balance it with a variety of textures. Offer chewy cookies, chocolate-dipped strawberries, or mini parfaits to complement the creamy smoothness of the key lime pie.
Creative Variations
Add a tropical twist by mixing shredded coconut or mango purée into the filling for a fruity upgrade. A coconut whipped cream topping also works beautifully with the tangy lime base.
For an easy party-friendly dessert, portion the pie filling into small jars layered with crushed graham crackers. These individual no bake pies are perfect for picnics, potlucks, or dessert tables.
If you’re a chocolate lover, consider swapping the graham cracker crust for a chocolate cookie crust or adding a drizzle of white chocolate on top before serving. The sweetness plays nicely against the tart lime.
Frequently Asked Questions
Can bottled key lime juice be used instead of fresh?
Yes. Bottled key lime juice is a convenient alternative and widely used. Look for one made from 100% juice without added sweeteners.
How long will the pie stay fresh in the fridge?
The pie keeps well in the refrigerator for up to 4 days. Store it covered to prevent it from absorbing fridge odors.
Can this pie be frozen for longer storage?
Absolutely. Wrap the pie tightly and freeze for up to one month. Thaw in the fridge for several hours before serving.
What’s the difference between key limes and regular limes in flavor?
Key limes are smaller, more aromatic, and have a sweeter-tart flavor. Regular limes (Persian limes) are more acidic and less floral but can be used as a substitute with slight flavor adjustments.
No bake key lime pie is the ultimate fusion of simplicity and satisfaction. With its creamy filling, vibrant citrus kick, and crunchy graham cracker crust, it’s a standout dessert that suits any season. Whether you’re planning a summer barbecue, a weekend gathering, or simply craving something bright and breezy, this pie delivers every time—no oven needed.

Ingredients
Crust
½ cup (1 stick / 113 g) unsalted butter, melted
1 ½ cups (126 g) graham cracker crumbs, from about 10–12 crushed sheets
Filling
½ cup (121 g) key lime juice, approximately 12 key limes
1 can (14 ounces) sweetened condensed milk
8 ounces cream cheese, softened to room temperature
Whipped cream, for garnish
Fresh key lime slices, for garnish
Instructions
Crust
In a small mixing bowl, combine the graham cracker crumbs with the melted butter. Stir thoroughly until the crumbs are evenly coated and resemble wet sand. Transfer the mixture to a 9-inch pie pan and press it firmly into the base and up along the sides to form a compact crust. Use the bottom of a glass or measuring cup to smooth and level the surface for a clean edge.
Filling
Place the softened cream cheese into a large bowl. Using a hand mixer, beat the cream cheese on medium speed until it becomes silky and lump-free. Slowly pour in the sweetened condensed milk and key lime juice. Continue mixing until the ingredients are fully incorporated and the filling is smooth and slightly thickened.
Carefully pour the filling into the prepared graham cracker crust. Smooth the top with a spatula to create an even surface. Place the pie in the refrigerator and chill for at least 1 hour, or preferably overnight, until the filling is firm and set.
Just before serving, garnish the pie with fresh slices of key lime and generous swirls of whipped cream for a bright, refreshing finish.

No Bake Key Lime Pie Recipe
Ingredients
Crust
- ½ cup 1 stick / 113 g unsalted butter, melted
- 1 ½ cups 126 g graham cracker crumbs, from about 10–12 crushed sheets
Filling
- ½ cup 121 g key lime juice, approximately 12 key limes
- 1 can 14 ounces sweetened condensed milk
- 8 ounces cream cheese softened to room temperature
- Whipped cream for garnish
- Fresh key lime slices for garnish
Instructions
Crust
- In a small mixing bowl, combine the graham cracker crumbs with the melted butter. Stir thoroughly until the crumbs are evenly coated and resemble wet sand. Transfer the mixture to a 9-inch pie pan and press it firmly into the base and up along the sides to form a compact crust. Use the bottom of a glass or measuring cup to smooth and level the surface for a clean edge.
Filling
- Place the softened cream cheese into a large bowl. Using a hand mixer, beat the cream cheese on medium speed until it becomes silky and lump-free. Slowly pour in the sweetened condensed milk and key lime juice. Continue mixing until the ingredients are fully incorporated and the filling is smooth and slightly thickened.
- Carefully pour the filling into the prepared graham cracker crust. Smooth the top with a spatula to create an even surface. Place the pie in the refrigerator and chill for at least 1 hour, or preferably overnight, until the filling is firm and set.
- Just before serving, garnish the pie with fresh slices of key lime and generous swirls of whipped cream for a bright, refreshing finish.