If you love the tangy, refreshing flavor of key lime pie but want a simpler, handheld version, these Key Lime Cheesecake Bars with Graham Crust are your dream dessert. Combining a buttery graham cracker crust with a creamy, luscious cheesecake layer infused with the bright, zesty essence of key lime, these bars strike the perfect balance between sweet and tart.
Each bite is silky and tangy, with just the right amount of sweetness to satisfy your dessert cravings without being overpowering. Topped with a light dusting of lime zest or whipped cream, they’re perfect for summer gatherings, holiday treats, or anytime you want a burst of sunshine in dessert form.
Why I Love This Recipe
- Perfect balance: A little tart, a little sweet, and incredibly creamy.
- Easy to share: Pre-cut bars make serving effortless.
- Make-ahead friendly: They need chilling, which means less stress before serving.
- Seasonless treat: A tropical escape any time of year!
Why It’s a Must-Try Dish
- Unique twist on a classic cheesecake
- Fresh citrus flavor keeps it from feeling overly heavy
- Crowd-pleasing and kid-approved
- Looks impressive but beginner-friendly
Recipe at a Glance
| Feature | Details |
|---|---|
| Preparation Time | 20 minutes |
| Cooking/Baking Time | 25 minutes |
| Chilling Time | 2 hours |
| Total Time | ~2 hours 45 minutes |
| Servings | 12 bars |
| Calories | ~270 calories per bar |
| Course | Dessert |
| Cuisine | American, Tropical |
Ingredients
For the Graham Crust
- 1 ½ cups graham cracker crumbs
- ¼ cup granulated sugar
- ½ cup unsalted butter, melted
For the Key Lime Cheesecake Filling
- 16 oz (450g) cream cheese, softened
- ¾ cup granulated sugar
- ⅔ cup fresh key lime juice (or regular lime juice as substitute)
- 1 tbsp lime zest (preferably key lime)
- 2 large eggs
- ½ cup sour cream
- 1 tsp pure vanilla extract
- Pinch of salt
Optional Topping
- Whipped cream & extra lime zest for garnish
Cooking Directions (Step-by-Step)
Step-by-Step Preparation
Step 1: Prepare the Crust
- Preheat oven to 350°F (175°C).
- Line an 8×8-inch pan with parchment paper.
- In a bowl, mix graham crumbs + sugar + melted butter.
- Press evenly into the bottom of the pan.
- Bake 8–10 minutes until lightly golden. Let cool slightly.
Step 2: Make the Filling
- Beat cream cheese until smooth & creamy.
- Add sugar and beat again.
- Mix in eggs one at a time—don’t overbeat.
- Add lime juice, zest, sour cream, vanilla & salt.
- Spread filling over the pre-baked crust.
Step 3: Bake
- Bake 25–30 minutes until edges are set but center jiggles slightly.
- Cool at room temperature for 20 minutes.
Step 4: Chill & Serve
- Chill at least 2 hours (or overnight for best cuts).
- Slice into bars, garnish with whipped cream & lime zest.

How to Serve
- Serve chilled for the best creamy texture
- Add whipped cream rosettes before serving
- A sprinkle of zest gives a vibrant visual pop
- Pair with iced tea, mojitos, or summer cocktails
Special Equipment Needed
- 8×8-inch baking pan
- Electric mixer or stand mixer
- Microplane/zester
- Parchment paper
- Citrus juicer (for fresh key limes)
Recipe Tips
- Room temp ingredients prevent lumps in the filling.
- Don’t overbake! Slight jiggle = perfect creaminess.
- Chill fully for clean, sharp slices.
- Use key lime juice if possible for authentic acidity.
Variations to Try
1️⃣ Coconut Key Lime Bars
Replace ¼ cup of crumbs with shredded coconut & add coconut milk to filling.
2️⃣ Chocolate Drizzle Delight
Drizzle dark chocolate on top before chilling.
3️⃣ Gluten-Free Version
Use gluten-free graham crackers or almond meal crust.
4️⃣ Berry Bliss
Top with raspberry compote for a fruity twist.
Frozen & Storage Instructions
| Storage Method | How Long | Notes |
|---|---|---|
| Refrigerated in airtight container | 4–5 days | Keep layered with parchment |
| Frozen (wrapped well) | Up to 2 months | Thaw in fridge overnight before serving |
FAQ
Q1: Can I use regular limes instead of key limes?
Yes! Flavor is slightly different but still delicious.
Q2: Can I double the recipe?
Absolutely—use a 9×13 pan and increase bake time 5–7 minutes.
Q3: My cheesecake cracked—why?
Overbaking or overbeating can introduce too much air. Slight cracks are fine—they’ll be covered!
Q4: Can I make it without sour cream?
Greek yogurt is a great substitute.
Conclusion
These Key Lime Cheesecake Bars with Graham Crust are the perfect blend of refreshing citrus zing and creamy cheesecake indulgence. Easy to transport, simple to prepare, and sure to impress—this is a dessert you’ll come back to again and again. Whether for a summer BBQ or a cozy indoor treat, they deliver sunshine in every bite!
Key Lime Cheesecake Bars with Graham Crust
Course: DessertsCuisine: AmericanDifficulty: easy12
servings20
minutes2
hours25
minutes2
hours45
minutesIngredients
For the Graham Crust
1 ½ cups graham cracker crumbs
¼ cup granulated sugar
½ cup unsalted butter, melted
For the Key Lime Cheesecake Filling
16 oz (450g) cream cheese, softened
¾ cup granulated sugar
⅔ cup fresh key lime juice (or regular lime juice as substitute)
1 tbsp lime zest (preferably key lime)
2 large eggs
½ cup sour cream
1 tsp pure vanilla extract
Pinch of salt
Optional Topping
Whipped cream & extra lime zest for garnish
Directions
- Step 1: Prepare the Crust : Preheat oven to 350°F (175°C). Line an 8×8-inch pan with parchment paper. In a bowl, mix graham crumbs + sugar + melted butter. Press evenly into the bottom of the pan. Bake 8–10 minutes until lightly golden. Let cool slightly.
- Step 2: Make the Filling : Beat cream cheese until smooth & creamy. Add sugar and beat again. Mix in eggs one at a time—don’t overbeat. Add lime juice, zest, sour cream, vanilla & salt. Spread filling over the pre-baked crust.
- Step 3: Bake : Bake 25–30 minutes until edges are set but center jiggles slightly. Cool at room temperature for 20 minutes.
- Step 4: Chill & Serve :Chill at least 2 hours (or overnight for best cuts). Slice into bars, garnish with whipped cream & lime zest.






