Recipe
This Key Lime Pie is hands-down the best dessert you’ll ever make—creamy, tangy, and perfectly sweet, with a buttery graham cracker crust that’ll have you reaching for seconds. What makes it truly special? The punch of fresh lime juice and zest, which adds a bright, zesty flavor you just can’t get from bottled substitutes.
I’ve been making this pie for years, and it’s always the star of the table, whether it’s a summer BBQ or a cozy dinner in. The creamy filling is silky smooth, balancing the crunch of the crust, and that hint of tartness makes it downright addictive.
Trust me, once you try this, it’ll become your go-to dessert—simple to make, but impressive enough to wow anyone. Let’s get baking!
Ingredients
For the perfect Key Lime Pie, the ingredients matter—freshness and quality can make or break this classic dessert. Here’s what you’ll need, along with insider tips and substitutions to guarantee your pie is a hit every time.
- Graham cracker crumbs: Use store-bought or crush your own for the crust. Pro tip: Add a pinch of cinnamon for extra depth.
- Unsalted butter: Melted butter binds the crust. Can’t do dairy? Swap in coconut oil, but expect a subtle coconut flavor.
- Granulated sugar: Balances the tartness in the crust and filling.
- Egg yolks: Fresh yolks are non-negotiable—they create the silky, custard-like texture.
- Sweetened condensed milk: The star of the filling—don’t sub this! It’s key for the pie’s creamy richness.
- Fresh Key lime juice: A must for authentic flavor. Regular limes work in a pinch, but the flavor won’t be quite the same.
- Key lime zest: Adds a burst of citrus aroma—don’t skip it!
Little Wins: Garnish with whipped cream and extra lime zest for a polished, professional finish.
How to Make the Best Buttery Graham Cracker Crust

- Gather Your Tools and Ingredients: Before you begin, confirm you have all the necessary tools and ingredients ready. This includes a 9-inch pie dish, a medium mixing bowl, and a food processor if you’re using one for the crust. Having everything prepped in advance will make the process smoother.
- Prepare the Graham Cracker Crumbs: If you’re starting with whole graham crackers, place them in a food processor and pulse until finely ground. Alternatively, you can crush them by placing them in a sealed plastic bag and using a rolling pin. The crumbs should be uniform in texture for an even crust.
- Mix the Crust Ingredients: In a medium bowl, combine the graham cracker crumbs, sugar, and melted butter. Use a fork or your hands to mix thoroughly until the crumbs are evenly coated and the mixture resembles wet sand. This guarantees the crust holds together well after baking.
- Press the Crust into the Pan: Transfer the mixture into your pie dish. Use the back of a measuring cup or your fingers to press the crumbs firmly and evenly across the bottom and up the sides of the dish. Aim for a compact layer—this prevents the crust from crumbling when sliced.
- Pre-Bake the Crust for Stability: Place the crust in a preheated 350°F (175°C) oven and bake for 8-10 minutes. This step helps set the crust and prevents it from becoming soggy when the filling is added.
- Cool the Crust: Let it cool completely before filling to guarantee the best texture.
- Pro Tip for a No-Stick Crust: Lightly grease the pie dish with butter or cooking spray before pressing in the crumbs. This makes it easier to slice and serve the pie later.
- Watch Out for Overmixing: When combining the crust ingredients, avoid overmixing, as this can make the crust dense. Stop as soon as the crumbs are evenly coated with butter.
- Flexibility Tip: If you prefer a sweeter crust, you can increase the sugar slightly. For a gluten-free version, use gluten-free graham crackers or substitute with almond flour or crushed gluten-free cookies.
- Visual Cue for Success: After baking, the crust should be lightly golden and feel firm to the touch. If it’s still too soft, bake for an additional 1-2 minutes, but keep an eye on it to prevent over-browning.
- Cooling Tip: Allow the crust to cool on a wire rack before adding the filling. This secures it retains its shape and provides the perfect base for your Key lime pie.
Nutrition
Key Lime Pie is a delightful dessert with a tangy and creamy filling. Here is the nutritional information per serving based on a standard recipe.
| Nutrient | Amount per Serving |
|---|---|
| Calories | 330 kcal |
| Total Fat | 16 g |
| Saturated Fat | 9 g |
| Cholesterol | 110 mg |
| Sodium | 220 mg |
| Total Carbohydrate | 42 g |
| Dietary Fiber | 0 g |
| Sugars | 32 g |
| Protein | 5 g |
Chef Tips
While making Key Lime Pie, I’ve found that using freshly squeezed key lime juice makes a world of difference in flavor. Chill the pie overnight for the best texture—it’ll set perfectly.
Don’t overmix the filling; it keeps it light. Blind-bake the crust to avoid sogginess.
A touch of zest in the whipped cream adds brightness. Serve cold with a graham cracker crumble for extra crunch.
Frequently Asked Questions
Can I Use Bottled Lime Juice Instead of Fresh?
I’d recommend fresh lime juice for the best flavor, but I’ve used bottled lime juice before if it’s all I’ve got. Just make sure it’s 100% lime juice to keep the taste as authentic as possible.
How Do I Store Leftover Key Lime Pie?
I cover leftover key lime pie tightly with plastic wrap or foil, then refrigerate it for up to three days. For longer storage, I freeze it in an airtight container for up to two months.
Can I Freeze Key Lime Pie for Later?
Yes, I can freeze key lime pie for later. I’ll wrap it tightly in plastic wrap or foil, then place it in an airtight container. When thawing, I’ll let it sit in the fridge overnight.
What’s the Best Way to Zest a Lime?
I find a microplane zester works best—it gives fine, fluffy zest without the bitter pith. I hold the lime firmly and drag it lightly across the grater, rotating as I go to avoid over-zesting one spot.
Can I Make Key Lime Pie Without Eggs?
Yes, you can make key lime pie without eggs. I’ve used condensed milk and lime juice for the filling—it sets just fine. Some recipes even swap in avocado or silken tofu for extra creaminess. Works great!









